SLIDE RULE CATALOGUE “ L I T E “

Sub-List : “ B … ”

NAME	MATCH NR.	DESCRIPTION
BAB Werbemittel	5353	By B.A.B. Werbemittel, medical disc of plastic, 142x1.2 mm Front Scales: seepicture, Back Scales: See Picture
Baedeker Calorieënteller	0483	Medical disc of cardboard, 110x130x2 mm
Ball Rietz	0484	Generic slide rule of wood/plastic, 279x36x11 mm Front Scales: 26cm / K A = B C = D L ] 10inch Back Scales: = S ST T =
Barbotheu	5736	Generic slide rule of all wood, 270 mm Front Scales: 26cm / A = B C = D ] 27cm #27-54cm#
Barbotheu	5758	Generic slide rule of wood/celluloid, 280 mm Front Scales: 26cm / A = B C = D ] 27cm #28-55cm#
Barbotheu JD 403	5732	Generic slide rule of wood/plastic, 250x38x11.5 mm Front Scales: A = a c b = B C Back Scales: = So Log To =
Batori Speed Fuel Jet Computer	3872	Aviation disc of metal, 120x6 x195 mm
Bausch & Lomb Vertex Power Lens Computer	3472	Photography disc of metal, 110x1 mm
BDF Zonwijzer	5410	Medical disc of cardboard, 120x07 mm Front Scales: UV-Inde = Skin type Minutes Factor Time
Beers Diamond	0486	Log/tech disc of plastic, 90x120x1.5 mm Front Scales: 1) = 2) = 3), Back Scales: 4) = 5) = 6)
Begemann K.N.M.	0487	Technical disc of plastic, 120x2 mm Front Scales: 1) = 2) = 3) 4) = 5) Back Scales: 6) = 7) 8) = 9)
Begemann Pompen Rekenlat	2768	Log/tech slide rule of cardboard, 173x48x2.5 mm
Begemann Pompen Rekenlat	5444	Log/tech slide rule of cardboard, 173x48x2.5 mm
Beko Condensate Calculator	3568	Technical disc of plastic, 131x1 mm
Bell Performance Computer 206 A	2892	Aviation disc of cardboard/celluloid, 127x3 mm Front Scales: Tables, Back Scales: 1) 2) 3)
Bell Performance Computer OH - 58A	0488	Aviation disc of plastic, 128x2 mm
Below Futter Rechenschieber Eiweiss	3507	Slide rule, 520x130x18 mm (1949)
Below Futter Rechenschieber Latest model 51A	0489	Technical slide rule of plastic, 280x73x23 mm (March 1951)
Below Futter Rechenschieber Prototype disc version	3511	Disc
Below Futter Rechenschieber Prototype of Model 51A	3510	Slide rule, 275x135x4 mm
Below Futter Rechenschieber Stärkewert	3508	Slide rule, 520x130x18 mm (1949)
Below Futter Rechenschieber White model	3509	Slide rule, 270x160x8 mm (May 1950)
Benzin - Rechner	5346	Log/tech slide chart of cardboard, 108x149x1 mm Front Scales: See Picture, Back Scales: See Picture
BEPAM IRMO Carbures Metalliques	3879	By B.E.P.A.M Nancy, technical slide rule/disc of plastic, 186x155x14 mm
Berg Hydrauliek	5308	By vd Berg, technical slide chart of cardboard, 143x170x0.7 mm Front Scales: See Picture, Back Scales: See Picture
Beseler 7279 Projection	5095	Generic slide rule of plastic
Betta Enfield Height and Air Speed Mark. II A 6B / 166	1739	Aviation disc of metal/bakelite, 145x7.5 mm
Billeter's Julius Rechentafel	0490	Generic instrument of metal/glass, 290x81x0.8 mm Front Scales: 1) 2) 3) 4) = 5) 6) 7) 8) = 1) 2) 3) 4)
Bio Slide	0491	Medical slide rule of plastic, 360x64x11 mm
BIPM Mud Weight	0493	Technical slide c of plastic, 190x85x2.5 mm (1966)
BIPM Optimum Drilling Technique	0492	Log/tech slide chart of plastic, 252x112x3 mm
Blundell MK. 2 Artillery 10" Mils	2914	Military slide rule of PVC, 330x47x4 mm Front Scales: ST S A = B C = D T
Blundell & Harling 0490.45 Cocktail MixerF	3545	Food and drink slide chart of plastic, 146x83x2.5 mm
Blundell 0490.75 Concrete Volume computer	5374	Concrete slide chart of plastic, 200x46x2 mm (1970) Front Scales: See Picture, Back Scales: See Picture
Blundell 100	3828	Generic slide rule of plastic, 139.5x27.5x4 mm Front Scales: A = B C = D
Blundell 1066 Speed Time Distance	0546	Nautical slide chart of PVC, 176x47x2 mm Front Scales: 1) = 2) 3) = 4), Back Scales: = 5) =
Blundell 1084 Dead Reckoning Portland	0545	Nautical disc of PVC, 133x154x4 mm (1976) Front Scales: 1) = 2), Back Scales: 3) = 4)
Blundell 300 Academy	2922	Generic slide rule of co-polymer
Blundell 302 Log - log Academy	0531	Generic slide rule of PVC, 287x46x4 mm Front Scales: L LL2 LL3 A = B CI C = D S T ST
Blundell 303 Rietz Academy	0532	Generic slide rule of PVC, 287x46.5x4 mm (1958-1970) Front Scales: L K A = B CI C = D S ST T
Blundell 304 Darmstadt Academy	2923	Generic slide rule of PVC
Blundell 305 C Electro Academy	0533	Generic slide rule of PVC, 287x465x35 mm (1958-1970) Front Scales: 1) EFF GEN.MOT. A = B CI C = D K LL2 LL3, Back Scales: = S L T =
Blundell 308 Accountants Academy	2925	Financial slide rule of PVC
Blundell 310 Academy	2905	Generic disc of PVC, 762 mm (1958-1970) Front Scales: D = C CI A K
Blundell 310 Descal	2927	Generic disc of PVC, 762 mm (1958-1970) Front Scales: L D = C CI A K
Blundell 312 Simplified Rietz Academy	2926	Generic slide rule of PVC
Blundell 315 Descal	3153	Generic disc of PVC, 196x10 mm Front Scales: LL3 LL2 LL1 D = C CI A K
Blundell 316 Descal	0534	Generic disc of PVC, 196x10 mm Front Scales: C = D
Blundell 401 Rietz Omega	2939	Generic slide rule of PVC, 297x42x9 mm (1958-1970) Front Scales: 11inch / K A = B CI C = D L Back Scales: = S ST T =
Blundell 402 Log - log Omega	2940	Generic slide rule of PVC
Blundell 403 Darmstadt Omega	2942	Generic slide rule of PVC
Blundell 404 Electro Omega	2928	Generic slide rule of PVC
Blundell 405 Omega	2758	Generic slide rule of PVC, 300x42x8 mm (1958-1970) Front Scales: 11inch / A = B C = D
Blundell 407 Technico Omega	2934	Generic slide rule of PVC
Blundell 409 Mercantile Omega	2933	Financial slide rule of PVC
Blundell 601 Rietz Omega	0536	Generic slide rule of PVC, 159x33x6 mm (1958-1970) Front Scales: 6inch / K A = B CI C = D L Back Scales: = S S&T T =
Blundell 605 Omega	2930	Generic slide rule of plastic, 160x33x4 mm Front Scales: 6inch / A = B C = D
Blundell 606 Omega	3915	Generic slide rule of plastic, 159x33x5 mm Front Scales: 6in / A = B CI C = D Back Scales: = S S&T T =
Blundell 800	2759	Generic slide rule of PVC, 306x36x4 mm (1970-1982) Front Scales: A = B C = D
Blundell 802 Log - log Academy	0537	Generic slide rule of PVC, 330x46.5x4 mm Front Scales: K LL2 LL3 A = B L CI C = D S T ST
Blundell 803 P (Projection)	0539	Generic projection of perspex, 363x60x5 mm Front Scales: L K A = B CI C = D S ST T
Blundell 803 Rietz Academy	0538	Generic slide rule of PVC, 331x47x45 mm Front Scales: L K A = B CI C = D S T ST
Blundell 808 Accountants Academy	2909	Generic slide rule of PVC, 329x46x4 mm (1970-1982) Front Scales: S LL1 DF = CF IL IR C = D LL3 LL2 Back Scales: M = T =
Blundell 812 Classmate Academy	0540	Generic slide rule of PVC, 172x37x4.5 mm (1970-1982) Front Scales: S T A = B CI C = D K L
Blundell 813 Classmate Academy	0541	Generic slide rule of PVC, 307x37x4.5 mm (1970-1982) Front Scales: S T A = B CI C = D K L
Blundell 904 Academy	0542	Generic slide rule of PVC, 319x37x4.3 mm (1975-82) Front Scales: ST A = B CI C = D S T Back Scales: K L DF = CF CIF C = D LL2 LL3
Blundell 905 Academy	0543	Generic slide rule of PVC, 329x46.5x4 mm (1975-1982) Front Scales: LL01 LL02 LL03 A = B L CI C = D LL3 LL2 LL1, Back Scales: K P ST DF = CF CIF CI C = D T S
Blundell AG 1	2970	Generic slide rule of co-polymer
Blundell AG 2	0511	Generic slide rule of co-polymer, 286x37x7 mm Front Scales: 10inch / K A = B R C = D M Back Scales: 26cm
Blundell AG 5 RIETZ	2971	Generic slide rule of co-polymer, 286x37x8 mm (1949-1958) Front Scales: 10inch / K A = B R C = D M Back Scales: 26cm = S ST T =
Blundell AL 6	0513	Generic slide rule of co-polymer, 284x37x8 mm (1949-1958) Front Scales: 25cm / U.L. A = B R C = D L.L. Back Scales: = S ST T = 10inch
Blundell and Harling P 3695 Valve sizing rule	5789	Log/tech slide chart
Blundell B.P - OIL Fuel Viscosity-Temp.	0497	Technical disc of PVC, 144x1 mm Front Scales: 1) = 2) 3) = 4) 5) = 6) 7) 8) 9) 10)
Blundell Balloon BRL Mark IV A	0328	Meteorology slide rule of PVC, 628x62x12 mm Front Scales: 1) 2) 3) 4) = K 6) 7) = 8) 9)
Blundell Bearing Rate Mark 1 Model 0	0496	Technical slide rule of PVC, 368x63x6.5 mm Front Scales: 1) = 2) 3) = 4)
Blundell C 24 Face Cost & Profit Reckoner	2986	Slide rule of PVC
Blundell Cardiovascular Risk Calculator	0498	Medical disc of PVC, 127x1 mm Front Scales: 1) = 2) + window
Blundell Conversion 0490.37	0503	Conversion slide chart of PVC, 190x77x2 mm (1994) Front Scales: Side A: 20 scales Back Scales: Side B: 180 mm 18 scales 7inch
Blundell DM 1 Rietz Instruction rule	2947	Generic slide rule of wood/plastic, 1520 mm Front Scales: K A = B R C = D M Back Scales: = S ST T =
Blundell E 13 c Electricians	2870	Electrical slide rule of PVC
Blundell E 25 C	3661	Technical slide rule of plastic, 289x41.5x8.5 mm Front Scales: 25cm / LL2 A = B R C = D LL3 K #V GEN. EFF. MOT. EFF. GEN. MOT.#, Back Scales: = sin lg tg =
Blundell E 25 Electricians	2983	Electrical slide rule of PVC
Blundell E 3 Electrical	2953	Electrical slide rule of bakelite
Blundell Exchange Rate converter	3158	Financial disc of plastic, 95x1.2 mm Front Scales: 1) = 2) = 3)
Blundell F 5100 Black Body	3021	Radioactivity slide rule of PVC, 454x90x10 mm Front Scales: g f 1) e = h j i l k m = d c b a Back Scales: = n p o r q s =
Blundell FC 3540 Fisher Valve	0556	Log/tech slide rule of PVC, 330x46x4.5 mm (1967) Front Scales: P %QC2 = P1 1) 2) 3) C1 Q = Cg %QC1 Back Scales: P %QC2 = P1 4) Q = Cv Cg
Blundell G 1 Students	2951	Generic slide rule of bakelite
Blundell G 2	0512	Generic slide rule of bakelite, 285x31x7.5 mm (1947-1949) Front Scales: K A = B Rec C = D L
Blundell G 22/2	2918	Generic slide rule of PVC, 306x32x7 mm (1950) Front Scales: A = B C = D
Blundell H Slide Rule	2993	Technical slide rule of PVC, 173x37x4 mm (1968) Front Scales: 1 2 = 3 4 = 5 6 7 8 Back Scales: 9 10 = 11 12 = 13 14 15
Blundell Hercules C.Mk. 1 6B / 1112682	0515	Aviation disc of PVC, 178x2.5 mm Front Scales: 1) 2) = 3)
Blundell Holophane Illumination Calculator	3148	Technical slide rule of bakelite, 290x49x8 mm Front Scales: 1) 2) = 3) 4) 5) 6) = 7) 8)
Blundell Humidity	2906	Hydrology slide rule of PVC, 33.8x50x5 mm Front Scales: (4) = (6)(5)(3) )3A) (2B)(2C) (2)(2A) = (1) (1B) (1A), Back Scales: (7)123 = C = D TA TB
Blundell Hygrorule	2693	Meteorology slide rule of PVC, 141x31x5 mm Front Scales: 1) = 2) = 3), Back Scales: = 4) =
Blundell L 4	3017	Generic slide rule of bakelite, 284x32x8,5 mm (1947-1949) Front Scales: U.L. A = B Rec C = D L.L.
Blundell L 6	0516	Generic slide rule of bakelite, 285x30x7 mm (1947-1949) Front Scales: UL A = B Rec C = D LL Back Scales: = S S&T T =
Blundell Lens Calculator	3157	Photography disc of plastic, 95x1.5 mm Front Scales: 1) = 2) 3) = 4) = 5) 6)
Blundell Lens Calculator Osprey T.V.	0500	Technical disc of PVC, 86.5x1 mm Front Scales: 1) 2) = 3) + 1 window with 4) + 5)
Blundell Lincoln MK. 2	1577	Aviation slide rule of bakeliteplastic, 343x63.5x10 mm Front Scales: Many scales see picture Back Scales: Many scales see picture page 2
Blundell Management Calculator	3160	Technical disc of plastic, 140x1 mm (1994) Front Scales: 1) = 2)
Blundell MK 1 Lifeboat Sight Computer 9/4531	0520	Nautical slide chart of PVC, 280x80x25 mm (1956) Front Scales: 1) 2) 3) = 4) =, Back Scales: = 4) =
Blundell MK 1 Mortar 81 mm	0526	Military disc of PVC, 127x1 mm (1988) Front Scales: 0 1 2 3 4 5 6
Blundell Mk 2 Artillery Omega 10" Mils	0521	Generic slide rule of PVC, 298x42x8.5 mm (1958-1970) Front Scales: 1/50000 / A = B C = D Back Scales: = S ST T =
Blundell MK 3 Artillery 10"	0522	Generic slide rule of PVC, 299x41x8 mm (1958-1970) Front Scales: A = B C = D, Back Scales: = S ST T =
Blundell MK 6 Humidity	0517	Technical slide rule of PVC, 287x47x9 mm Front Scales: (4) = (5) (3) (3A) (2B) (2C) = (1) (1B) 1(A) Back Scales: (7) 1) 2) = (6) (3) (3A) (2) (2A) =
Blundell N 52 (Navigator) Janus	0525	Generic slide rule of PVC, 330x55x5 mm Front Scales: S1 A = B TA TB ST S C = D K L Back Scales: 1) 2) 3) 4) 5) = 6) 7) CI 8) 9) C = D SM KM
Blundell NL 11 - 95	0523	Generic disc of PVC, 95x2 mm (1995) Front Scales: L D = C CI A
Blundell O.S. 686 A Calculator	2921	Technical slide rule of PVC, 134x47x3.8 mm (1959) Front Scales: 1) = 2) = 3)
Blundell P 10	3156	Generic slide rule of co-polymer, 160x33.5x6.5 mm (1948-1958) Front Scales: 6inch / CUBE A = B REC C = D MAN Back Scales: = S S&T T = 15cm
Blundell P 1365 Flow of Water in Pipes	2916	Technical slide rule of PVC, 175x47x3.8 mm Front Scales: X = Y W = Z V
Blundell P 14	2977	Generic slide rule of co-polymer
Blundell P 15	2978	Generic slide rule of co-polymer, 160x32x4.2 mm (1948-1958) Front Scales: 6inch / A = B REC C = D Back Scales: = S S&T T = 15cm
Blundell P 1553 Armstrong Calculator	2811	Log/tech slide rule of PVC, 288x47x3.5 mm Front Scales: S A = B P C = D F
Blundell P 1644 Armstrong Calculator	3407	Log/tech slide rule of PVC, 298x52x8 mm Front Scales: 11inch / S A = B P C = D F Back Scales: 1) 2)
Blundell P 17	0524	Generic slide rule of co-polymer, 160x33.8x4.6 mm Front Scales: 6inch / U.L. A = B R C = D L.L. Back Scales: = S. S.&T. T. = 15cm
Blundell P 1732 - A Fisher Valve Mark III	0547	Log/tech slide rule of PVC, 254x37x3.5 mm (1963) Front Scales: VC P D = C 1) 2) Q = Cv 3) Kv Back Scales: 4) P1 Pc = P 5) 6) 7) 8) Qs Qg = CG CS 9)
Blundell P 1843 Nunn Blood Gas Predictor	0548	Medical slide chart of PVC, 280x57x3 mm (1962) Front Scales: 1) = 2) = 3) 4) 5) 6) = 7) 8) = 9) Back Scales: = 10) = = 11) 12) 13) 14) = 15)
Blundell P 2297 Torpedo Spreading Slide Rule	3440	Military slide rule of plastic, 317x162x8 mm Front Scales: 1) = 2) 3) = 4) 5) = 6) 7) = 8)
Blundell P 2808 Ultrasonic	0550	Log/tech slide rule of PVC, 184x65.6x8 mm (1967) Front Scales: A = B C = D E = F G = H I Back Scales: = J K = L M = N = O 5inch 12cm
Blundell P 3241 Rapid Glaze Calculator	0551	Technical disc of PVC, 144x2 mm (1969) Front Scales: A C = B D
Blundell P 3259	0552	Technical slide rule of PVC, 343x49.5x3.5 mm (1969) Front Scales: 10inch A B = C D E = F G 1) Back Scales: 250 mm H I = J K L = M N O 2)
Blundell P 3357 Thermal Expansion of Pipelines	5396	Log/tech slide chart of plastic, 228x48x1.4 mm Front Scales: See Picture, Back Scales: See Picture
Blundell P 3483 Tarrant Hydraulic Slide Rule	0555	Technical slide rule of PVC, 290x47x4 mm Front Scales: 1) 2) 3) = 4) 5) 6) = 7)
Blundell P 3512 Textile	2992	Technical slide rule of PVC, 298x43x9 mm Front Scales: 28cm = 1) = 2) te tb 3) = 4)
Blundell P 3706 Nylon Tube Friction Loss Calculator	3408	Log/tech slide rule of PVC, 338x49x4 mm Front Scales: 1) = 2) 3) = 4)
Blundell P 3969-77 Textile	2961	Technical slide rule of PVC, 400x108x8.5 mm Front Scales: 1) 2) 3) 4) = 5) 5) = 6) = 7) 8) = = 9) 10) 11) 12) = 13) 14) 15) 16)
Blundell P 4366 Ultrasonic	2912	Log/tech slide rule of PVC, 245x50x5 mm (1967) Front Scales: E A D = C B F G = H I Back Scales: 5inch 12cm L = K J N = M O
Blundell P 4463 Holophane Illuminance and Angle Calculator	2913	Technical slide rule of PVC, 320x37x4 mm Front Scales: 1) 2) = 3) 4)5) 6) = 7) 8) 9) Back Scales: 10) = 11) 12) = 13) 14)
Blundell P 4603 MK III Orifice Slide Rule	2915	Technical slide rule of PVC, 318x37x4 mm Front Scales: m d/D = h rs = N Back Scales: m d/D = hm Ss = Nm
Blundell P 4740 IFD Cell Reactor	2994	Technical slide rule of PVC, 650x133x8 mm
Blundell P 4743 Fisher Valve	2987	Log/tech slide rule of PVC, 330x46x4.5 mm (1976) Front Scales: P %QC2 = P1 1) 2) 3) C1 Q = Cg %QC1 Back Scales: P %QC2 = P1 4) Q = Cv Cg
Blundell P 4843 Hydraulic	2920	Technical slide rule of PVC, 330x46x4 mm (9/78) Front Scales: A B1 B2 = C2 C1 E2 1) 2) 3) E1 = H 4) Back Scales: B1 B3 = D1 5) 6) D2 F2 F1 = J
Blundell P 5088 The H Slide Rule	0557	Technical slide rule of PVC, 328x46x4 mm (1968) Front Scales: 1 2 = 3 4 = 5 6 7 8 Back Scales: 9 10 = 11 12 = 13 14 15
Blundell P 5527 Roof Pitch Indicator	5347	Technical slide chart of plastic, 94x103x1.7 mm (1995) Front Scales: See Picture, Back Scales: See Picture
Blundell P 5597 Hydro Aluminium	0560	Technical disc of PVC, 178x1.5 mm Front Scales: 1) = 2) + 2 windows Back Scales: 3) 4) + 1 window
Blundell P 5637 BOC Hospitality Division	3159	Technical slide chart of plastic, 750x360x6 mm Front Scales: 1) = 2) = 3) = 4) = 5) = 6) = 7)
Blundell P 5705 Torque Calculator	0561	Technical disc of PVC, 147x1.5 mm (1990) Front Scales: 1) 2) = 3) 4) 5) = 2 windows
Blundell P 5709 Radiography Mk. VI	0562	Technical disc of PVC, 134x3 mm (1954) Front Scales: 1) 2) = 3) 4) 5) 6) 7) 8) = 9) 10)
Blundell P 5731 Note Tracker	3426	Music slide chart of plastic, 280x115x1.5 mm Front Scales: Many scales, Back Scales: Many scales
Blundell P 5798 BMI Calculator	0563	Medical disc of PVC, 95x1 mm (1992) Front Scales: 1) = 2) = 3)
Blundell P 5852 Fuel Oil Preheat	0564	Technical disc of PVC, 156x1 mm (1993) Front Scales: 1) = 2) 3) = 4) 5) = 6) 7) 8) 9) 10) Back Scales: 11) = 9 windows
Blundell P 5897 Dalton Aviation Computer	0565	Aviation disc of PVC, 115x134x6 mm Front Scales: 1) 2) 3) = 4) 5) + 4 windows + 6) 7) Back Scales: 8) = 9) 10)
Blundell P 5931 Zeneca	3162	Log/tech disc of plastic, 89x210x1 mm
Blundell P 5939 Metric Imperial Price Converter	0502	Technical slide chart of PVC, 190x103x2.5 mm (1995) Front Scales: Side A: 1) = 2) = 3) = 4) = 5) = 6) = 7) = 8) =, Back Scales: Side B: 9) = 10) = 11) = 12) = 13) = 14) = 15) = 16) =
Blundell P 8	0519	Generic slide rule of bakelite, 159x255x5 mm (1947-1949) Front Scales: A = B CI C = D Back Scales: 6inch = = 15cm
Blundell Paper Machine Production Calculator	3913	Log/tech slide rule of plastic, 232x52.5x2.5 mm
Blundell Photographic Interpreters MK II	2908	Photography slide rule of PVC, 335x50x5 mm Front Scales: A = B CI ST C = D S TA TB Back Scales: 1) 2) = 3) 4) 5) = 6)
Blundell Popular no. 1	3155	Generic slide rule of PVC, 284x42x3 mm Front Scales: L K A = B CI C = D S ST T
Blundell Protractor, 6 inch Ivorine 'A' MK. IV	3146	Technical protractor of ivory/metal, 152x51x2 mm Front Scales: Various see picture Back Scales: Various see picture
Blundell Radiac no. 1 MK 2	2781	Military disc of PVC, 126x1.5 mm Front Scales: 1) = 2) = 3)
Blundell Radiac Pat. No. 644944	0504	Log/tech slide rule of PVC, 300x66.5x9 mm Front Scales: = A1 A2 = B1 B2 = C1 C2 = D Back Scales: = F1 F2 = = E1 E2 =
Blundell Reproduction	0569	Log/tech disc of PVC, 126x1.3 mm Front Scales: A = B 1)
Blundell S 100	3833	Generic slide rule of plastic, 139.5x27.5x4 mm Front Scales: A = B C = D
Blundell S 125	3829	Generic slide rule of plastic, 151x32x2 mm Front Scales: CUBE A = B REC. C = D MAN.
Blundell S 143 - 10	0528	Generic slide rule of PVC, 305x36x4 mm (1970-1982) Front Scales: K A = B CI C = D L
Blundell S 143 - 10 (Factory model)	3163	For fabrication plate of metal, 1250x250x3 mm (1970-1982) Front Scales: K A = B CI C = D L
Blundell S 143 - 20	0529	Generic slide rule of PVC, 172x36x4 mm Front Scales: K A = B CI C = D L
Blundell S 143 / 5 E	2919	Generic slide rule of PVC, 149x27x2.8 mm (1970-1982) Front Scales: K A = B CI C = D L
Blundell S 150 - 10	0495	Generic slide rule of PVC, 306x36.8x4 mm Front Scales: S T A = B CI C = D K L
Blundell S 150 - 10 P (Projection)	2988	Generic projection of perspex, 366x56x5 mm Front Scales: S T A = B CI C = D K L
Blundell S 150 - 10 Staedtler	3257	Generic slide rule of PVC
Blundell S 150 - 20	0530	Generic slide rule of PVC, 174x37x4 mm (1970-1982) Front Scales: S T A = B CI C = D K L
Blundell Shackleton MR MK. 3	2344	Aviation slide rule of bakeliteplastic, 344x64.5x11 mm (1978) Front Scales: Many scales see picture Back Scales: Many scales see picture page 2
Blundell Students no. 1	3149	Generic slide rule of co-polymer
Blundell T 11 Technicians	2954	Slide rule of co-polymer
Blundell T 12 Technicians	2955	Generic slide rule of PVC
Blundell T 20 Technicians	2969	Generic slide rule of bakeliteco-polymer
Blundell T 50 Janus	2910	Generic slide rule of PVC, 341x45x5.2 mm (1952 1957-1965) Front Scales: L P A = B T ST S = D DI K, Back Scales: LL01 LL02 LL03 DF = CF CIF CI C = D LL3 LL2 LL1
Blundell Tank Capacity Computer	3409	Log/tech slide chart of plastic, 187x48x2.2 mm Front Scales: 1) 2) = 3) 4) = 5)
Blundell Turning guide Mitsubishi Carbide	3161	Technical disc of plastic, 146x1 mm Front Scales: 1) 2) 3) 4)
Blundell U 7	2968	Generic slide rule of bakelite
Blundell V.F. 0129	0527	Generic slide rule of PVC, 285x36.5x6.4 mm Front Scales: 10inch / A = B C = D Back Scales: = S ST T =
Blundell Valve Sizing and Flow Foxboro	0506	Technical slide rule of PVC, 151x49x3.5 mm Front Scales: A) = B) C) = E), Back Scales: = B C =
Blundell Vector Slide Rule	3419	Mathematics complex of plastic/metal
Blundell Victor K MK. 2	2636	Aviation slide rule of PVC, 342x63x10 mm Front Scales: Many scales see picture Back Scales: Many scales see picture page 2
Blundell Vulcan B. MK. 2 C.G.	0508	Aviation slide rule of bakeliteplastic, 342x63x10 mm Front Scales: Many scales see picture Back Scales: Many scales see picture page 2
Blundell Vulcan B/K. MK. 2 C.G.	0509	Aviation slide rule of bakeliteplastic, 342x63x10 mm Front Scales: Many scales see picture Back Scales: Many scales see picture page 2
Blundell W.H. Smith Log - log trig	0501	Generic slide rule of PVC, 330x46x4 mm (1970-1982) Front Scales: K LL2 LL3 A = B L CI C = D S T ST
Blundell W.H. Smith Rietz	0507	Generic slide rule of PVC, 330x47x4 mm Front Scales: L K A = B CI C = D S T ST
Blundell W.H. Smith Simplified Rietz	2911	Generic slide rule of PVC, 173x36x4.2 mm (1970-1982) Front Scales: K A = B CI C = D L
Board Plotting M10	0570	Aviation disc of plastic, 222x222x3 mm
Bofa Boortypen	5275	Technical slide chart of cardboard, 168x79x1.3 mm Front Scales: See Picture, Back Scales: See Picture
Bofa Schuiftabel voor toerentallen per minuut	5258	Technical slide chart of cardboard, 169x78x1.4 mm Front Scales: See Picture, Back Scales: See Picture
Bols Cocktail slide	5331	Drinks slide chart of plastic, 107x220x1.3 mm Front Scales: See Picture, Back Scales: See Picture
Bolts UNC Normal en Heavy Series 1955	0571	By Mesc, technical slide chart of cardboard, 223x97x1.2 mm (1955)
Bolts UNC Normal en Heavy Series 1962	0572	By Mesc, technical slide chart of plastic, 186x93x1.8 mm (1962)
Bombing Angle Computor 9 / 3602	0573	Aviation disc of plastic, 204x204x3 mm (1959) Front Scales: 1) = 2) = 3) = 4)
Bonwitt Patent 19639/43	5745	Generic disc of plastic, 127 mm Front Scales: LL2 A = B C = D LL3 Back Scales: 5°Sin1 Sin2 5°Tg1 Tg2
Boots Ringplan Standard 5"	2814	Generic slide rule of plastic, 150x37x4.3 mm Front Scales: 13cm / A = B CI C = D K \ 5inch Back Scales: = S L T =
Bosch Hydraulics	5790	Log/tech slide chart
Bosch Pneumatic	5791	Log/tech slide chart
Bosch Règle à calcule pour condensateurs	3907	Log/tech disc of plastic, 99.5x1.5 mm
Brand Charles concrete	3027	Concrete disc of perspex, 270x7 mm Front Scales: 1) 2) 3), Back Scales: 4) 5) 6) 7) 8)
Breitling 1884	5643	Nautical disc
Brigon Reglette (Kalkulator)	0575	Log/tech slide chart of plastic, 226x69x3 mm
Brinkman Asea control	5276	Technical slide chart of plastic/cardboard, 218x69x1.3 mm Front Scales: See Picture, Back Scales: See Picture
Brinkman Ticino Motor beveiligings schakelaars	5253	Electrical slide chart of cardboard, 208x73x1 mm Front Scales: See Picture, Back Scales: See Picture
Bristol Hercules 100 Issue 1 Fuel Consumption Indicator	0576	Aviation disc of metal, 157x172x3 mm Front Scales: 1) 2) 3) = 4) 5) 6) 7) 8) = 9)
British Engraving and Nameplate MFG Cambridge University Aircraft Navigation	3874	Aviation disc of celluloid, 107x1.5 mm
British made Protractor	3435	Technical protractor of ivory, 153x44x1 mm Front Scales: 14cm Various 5inch, Back Scales: Various
British Riding Club Vaccination Calculator	5407	Medical slide rule of plastic, 108x1 mm (1997) Front Scales: Months
British Slide Rule Company Technical Standard, The Slide Rule British Made	2070	Generic slide rule of wood/plastic, 301x45x14 mm Front Scales: 10inch / M A = B C = D N \ 27cm Back Scales: = S S.T. T =
Brown Boveri Motorentechniek	5270	Technical slide chart of plastic/cardboard, 210x78x1.2 mm Front Scales: See Picture, Back Scales: See Picture
Brown Boveri Schieber für Motoren	0579	Technical disc of metal, 102x1.2 mm Front Scales: 1) = 2) 3) = 4) = 5) Back Scales: 6) = 8) 9) 10) 11)
Bruning 2401	5777	Generic slide rule of plastic
Bruning 2420	0581	By Charles Brunning, generic slide rule of plastic, 279x40x9 mm Front Scales: 10inch / A = B CI C = D K \ 25cm Back Scales: = S L T =
Bundesministerium Benzinverbrauchstest	5322	Technical slide chart of cardboard, 110x150x0.8 mm Front Scales: See Picture, Back Scales: See Picture
Bush Screw Conveyer Calculator	2750	Log/tech slide chart of plastic, 266x115x2 mm