| NAME | MATCH NR. |
DESCRIPTION |
| Ladish Calculator Pipe Design Pressures | 1563 | Log/tech slide chart of plastic, 212x83x2 mm (1964) Front Scales: 8 scales, Back Scales: 12 scales |
| Landis Tool company Grinding machines | 1564 | Technical disc of plastic, 79x3.5 mm |
| Lange log and % Calculator | 1565 | Generic disc of cardboard\plastic, 204x4.2 mm Front Scales: % A = B, Back Scales: % C = % |
| Lange log and % Calculator | 5531 | Generic disc of cardboard\plastic, 204x4.2 mm Front Scales: % A = B, Back Scales: % C = % |
| Lange log and % Calculator 102 | 2884 | Generic disc of cardboard\plastic, 204x4.2 mm Front Scales: % A = B, Back Scales: % C = % |
| Laring Paris Sector | 1568 | Generic sector of brass, 166x30x3 mm |
| Lawrence 011 | 3863 | Generic slide rule of all wood, 267x29x9 mm Front Scales: A = B CI C = D K, Back Scales: = S L T = |
| Lawrence 10 - B | 1570 | Generic slide rule of all wood, 255x28.8x9 mm Front Scales: A = B CI C = D K |
| Lawrence 250 - BT | 1574 | Generic slide rule of all wood, 265x29x9 mm Front Scales: A = B CI C = D K, Back Scales: = S L T = |
| Lawrence 6 - 0 w Flashrule | 1573 | Photography slide rule of all wood, 153x28x8.5 mm (1946) Front Scales: 1) = 2)- 6) 7) = 8) |
| Lawrence 8 - B | 1569 | Generic slide rule of all wood, 204x29x9 mm Front Scales: A = B CI C = D K |
| Linex 1253 | 1580 | Generic slide rule of plastic, 150x33x3.5 mm Front Scales: 5inch A = B CI C = D 14cm |
| Lios Tiefenrechner F 105 mm (System Ferschel) | 3832 | Photography disc of aluminium, 80x1.5 mm |
| Lios Tiefenrechner F 120 mm (System FerscheL) | 3475 | Photography disc of aluminium, 80x1.5 mm |
| Lios Tiefenrechner F 135 mm System Ferschel | 3470 | Photography disc of aluminium, 80x1.5 mm |
| Lodge & Shiply Lathe | 1585 | Log/tech disc of plastic, 89x3.5 mm |
| Loga 30 R Zh | 1594 | Generic disc of plastic, 125x6 mm Front Scales: A = B R Z |
| Loga 30 RC | 5764 | Generic disc of metal/plastic, 125x6 mm (1965) Front Scales: A = B R Z Back Scales: £ I II III = B L S.C W D |
| Loga 30 Rtx | 3299 | Generic disc of plastic/metal, 125x3 mm (1965) Front Scales: Vorgarn Ne A = B R |
| Loga 30 s RZ | 5767 | Generic disc of plastic/metal, 125x3 mm (1960) Front Scales: A = B R Z |
| Loga 30 s T | 1595 | Generic disc of metal/plastic, 125x6 mm (1965) Front Scales: R1 A = B R K L |
| Loga 30 s T Scholar | 5761 | Generic disc of metal/plastic, 125x6 mm (1965) Front Scales: R1 A = B R K L |
| Loga 30 sE | 5755 | Generic disc of metal/plastic, 125x7 mm Front Scales: A = B |
| Loga 30 T t | 2801 | Generic disc of metal/plastic, 125x6 mm Front Scales: z z A = B R K L Back Scales: C S T S&T LL3 LL2 LL1 |
| Loga 30 Th | 5769 | Generic disc of plastic/metal, 125x6 mm (1965) Front Scales: R1 A = B R K L |
| Loga 30 Tt | 5772 | Generic slide rule of plastic/metal, 125x6 mm (1960) Front Scales: R1 A = B R K L Back Scales: C S T ST LL3 LL2 LL1 |
| Loga 75 E | 1596 | Generic disc of metal/cardboard, 290 mm Front Scales: A = B |
| Loga 75 RZ | 2799 | Generic disc of metal, 290x4 mm Front Scales: A = B R Z D |
| Loga 75 T | 2800 | Generic disc of metal, 290x4 mm (1950) Front Scales: log A = B R z(1-_) z(_-10) tg cotg sin cos |
| Loga Calculator 15 m Cylinder | 1590 | Generic cylinder of metal, 630x200x240 mm Front Scales: C = D |
| Loga Calculator 2.4 m Cylinder | 1588 | Generic cylinder of metal/cardboard, 350x110x110 mm Front Scales: C = D |
| Loga Calculator 7.5 m Cylinder | 2872 | Generic cylinder of metal, 480x110x110 mm Front Scales: C = D |
| Loga Doppel-Rechenschieber 15 cm | 5771 | Generic slide rule of cardboard, 170x43x4 mm (1915) Front Scales: n3 n2 = n2 zn = zn Log (K A = B C = D L), Back Scales: 1) Left side A = B R = C 2) Right side Z = T D = K |
| Loga Doppel-Rechenschieber 30 cm | 1587 | Generic slide rule of cardboard/metal, 318x42.5x4 mm Front Scales: Zz A = B R C = D Zz Back Scales: 1) A = B R = C 2) |
| Loga Modell R 30 cm Rechenscheibe | 5766 | Generic disc of plastic, 125x3 mm (1955) Front Scales: A = B R |
| Loga Prazision 6400 A% | 5793 | Military disc of plastic/metal |
| Loga Rechenschieberunterricht | 3477 | School slide rule of cardboard, 220x42x3 mm (<1910) Front Scales: 20cm A = B 20cm |
| Loga Topo 6400 A% | 1601 | Military disc of metal, 125x6 mm (1950) Front Scales: n2 A = B SIN.COS SIN.COS COS2 Back Scales: C sin tg sin&tg |
| Logarecta | 3652 | Financial disc of aluminium, 120x1 mm |
| Logarex 27103 | 1604 | Generic slide rule of plastic, 148x30x3 mm Front Scales: K A = B CI C = D L Back Scales: 4inch tables = S t = tables 10cm |
| Logarex 27203 | 1606 | Generic slide chart of plastic, 154x38x6 mm Front Scales: 12cm / P K A = B L CI C = D S T Back Scales: scale 1:25 = LL1 LL2 LL3 = |
| Logarex 27251 | 1614 | Generic slide rule of plastic, 154x37x4 mm Front Scales: 13cm /P K A = B CI C = D sin cos tg cotg Back Scales: = LL1 LL2 LL3 = 5inch |
| Logarex 27402 | 5744 | Generic slide rule of plastic, 298x45x10 mm Front Scales: 25cm / L K A = B CI C = D LL1 LL2 LL3 ] 1:25, Back Scales: = Sin S-T Tg = |
| Logarex 27403 III | 3300 | Generic slide rule of plastic |
| Logarex 27602 II Exponent | 1611 | Generic slide rule of plastic, 327x50x4 mm Front Scales: L P K A = B CI C = D S T ST Back Scales: LL1 LL2 LL3 CF = DF DIF CI A = D LL03 LL02 LL01 |
| Logarex 27606 Trig | 3480 | Generic slide rule of plastic, 330x42x4 mm Front Scales: 26cm DF = CF CIF CI C = D A K Back Scales: ST T1 T2 = CI C = D P S |
| Logarex 27607 Studio | 1603 | Generic slide rule of plastic, 326x49x4 mm Front Scales: LL01 LL02 LL03 A = B L K C = D LL3 LL2 LL1, Back Scales: ST T1 T2 DF = CF CIF CI C = D P S |
| Logomat 2001 Pfifikus Passavant | 1650 | Generic disc of metal, 48x1 mm Front Scales: 1), Back Scales: 2) = 3) 4) |
| Logomat 10222 Calculator met Mehrwertsteuer | 1675 | Financial disc of plastic, 85x118x1.8 mm |
| Logomat 1300 / 1301 | 1644 | Generic disc of aluminium/plastic, 70x1.3 mm Front Scales: C = D |
| Logomat 1300 / 1302 | 1645 | Generic disc of aluminium/plastic, 70x1.3 mm Front Scales: C = D K |
| Logomat 1300 / 1303 | 1646 | Generic disc of metal, 70x1 mm Front Scales: 1) = 2) 3) |
| Logomat 15298 Calorieënteller | 5344 | Medical slide chart of plastic, 124x140x1 mm Front Scales: See Picture, Back Scales: See Picture |
| Logomat 15311 P-schijf Tankboy | 1677 | Technical disc of plastic, 109x138x1.2 mm |
| Logomat 1703 Pfiffikus | 1647 | Generic disc of metal, 48x0.5 mm Front Scales: 1) |
| Logomat 2001 Pfiffikus one sided | 1651 | Generic disc of metal, 48x1 mm Front Scales: C |
| Logomat 2300 | 1653 | Generic disc of plastic, 91x10 mm Front Scales: 1), Back Scales: 0 |
| Logomat 3101 | 1654 | Log/tech disc of plastic, 115x139x1.2 mm |
| Logomat 3202 Tankboy | 1655 | Technical disc of plastic, 48x76x1 mm (1971) Front Scales: 1) = 2) 3) |
| Logomat 3203 Tankboy | 1656 | Technical disc of plastic, 48x75x1.2 mm (1971) Front Scales: 1) 2) 3) |
| Logomat 3301 Calculator mit Mehrwertsteuer | 1657 | Financial disc of plastic, 87x1.2 mm Front Scales: 1) = 2) 3) |
| Logomat 3303/4 | 3504 | Disc |
| Logomat 3307 Calculator | 1662 | Financial disc of plastic, 110x45x1 mm Front Scales: 1) = 2) 3) |
| Logomat 3501 Prozent Rechner | 1663 | Financial disc of plastic, 90x120x0.8 mm Front Scales: 1) = 2) 3) |
| Logomat 3503 Prozent Rechner | 1676 | Financial disc of plastic, 85x118x1.8 mm |
| Logomat 3701 Steuer Computer | 1664 | Financial disc of plastic, 90x120x1 mm Front Scales: 1) = 2) 3) 4) 5) |
| Logomat 4206 Devis-o-mat | 1665 | Financial disc of plastic/paper, 70x1.2 mm Front Scales: 1) = 2) |
| Logomat 450 | 1641 | Generic disc of plastic, 90x120x1 mm Front Scales: D = C CI = L = B K |
| Logomat 4501 Kunstharze Hoegst | 1666 | Generic disc of plastic, 90x120x1 mm Front Scales: 1) = 2) 3) = 4) = 5) 6) |
| Logomat 4605 Tankboy | 1667 | Technical disc of plastic, 70x92x1.2 mm Front Scales: 1) = 2) |
| Logomat 5102 Promiller | 1668 | Financial disc of plastic, 48x72x1 mm (1971) Front Scales: 1) 2) = 3) 4) |
| Logomat 5105 | 3503 | By Norma, log/tech disc of plastic, 106 mm |
| Logomat 5105 Promiller | 1669 | Financial disc of plastic, 70x1.2 mm Front Scales: 1) = 2) 3) 4) |
| Logomat 5301 Punktwerter Olympia | 1670 | Other disc of plastic, 193x93x1 mm (1972) |
| Logomat 6101 Tankboy | 3502 | Disc |
| Logomat 6401 Automaster | 1671 | Technical disc of plastic, 70x125x1 mm Front Scales: 1) = 2) 3) resp. 4) = 5) 6) = 7) = 8) Back Scales: 9) 10) resp. 11) = 12) |
| Logomat 9034 Calcumat Rohr/Voll-material | 1672 | Technical disc of plastic, 90x166x1 mm Front Scales: 1) = 2) = 3) = 4) Back Scales: 5) = 6) = 7) 8) = 9) |
| Logomat 9036 Cyclo Getriebe Rechner | 1673 | Technical disc of plastic, 90x120x1 mm Front Scales: 1) = 2) = 3) = 4) |
| Logomat 9036/01 Analogizer | 1674 | Conversion disc of plastic, 92x122x1.5 mm Front Scales: 1) 2) 3) 4) 5) 6) Back Scales: 7) 8) 9) 10) 11) 12) |
| Logomat 910 Helanca Garn Rechner | 1623 | Generic disc of plastic, 90x120x1 mm Front Scales: D = C CI = L = B K Back Scales: 1) 2) 3) 4) 5) 6) 7) |
| Logomat 912 Sili Rechner | 1643 | Log/tech disc of plastic, 90x120x1 mm Front Scales: 1) = 2) 3) = 4) 5) 6) 7) 8) 9) |
| Logomat B - 747B Fueling Computer | 1622 | Aviation disc of plastic, 161x2 mm (1971) |
| Logomat Calculator Blue | 1633 | Financial disc of plastic, 87x1.2 mm Front Scales: 1) = 2) 3) |
| Logomat Calculator green MWS (Mehrwertstuer) | 1629 | Financial disc of plastic, 90x120x1 mm Front Scales: 1) = 2) 3), Back Scales: 4) 5) |
| Logomat Conversion | 1617 | Conversion disc of plastic, 148x11x1 mm Front Scales: 1) 2), Back Scales: 3) 4) |
| Logomat Conversion | 1618 | Conversion disc of plastic, 90x120x1 mm Front Scales: 1), Back Scales: 2) |
| Logomat Cursboy | 1619 | Financial disc of plastic, 49x72x1 mm Front Scales: 1) |
| Logomat De Beers Ind. Diam. Div. | 1616 | Technical disc of plastic, 90x120x1 mm Front Scales: 1) 2) = 3) 4) = 5) Back Scales: 6) 7) = 8) 9) = 10) |
| Logomat Druck/Temperatur Rechner | 1621 | Technical disc of plastic, 90x120x1 mm Front Scales: 1), Back Scales: 2) 3) |
| Logomat Kalorien Zähler | 1624 | Medical disc of plastic, 126x140x1.5 mm Front Scales: 1) 2) 3), Back Scales: 4) |
| Logomat KUKA - Trafomat schijf | 1627 | Generic disc of plastic, 96x126x1 mm Front Scales: 1) 2) = 3) = 4) = 5) Back Scales: 6) 7) = 8) 9) |
| Logomat Kurstaler DM/$ Barclays | 1615 | Financial disc of plastic, 48x1 mm Front Scales: 1) |
| Logomat Mietpreis Rechner MMV | 1628 | Financial disc of plastic, 92x129x1 mm Front Scales: 1) = 2) |
| Logomat Preisprüfer kalender 1972 | 1631 | Financial disc of plastic, 96x129x1 mm (1972) Front Scales: 1) = 2) |
| Logomat Promiller schijfje | 1632 | Financial disc of plastic, 48x1 mm Front Scales: 1) 2) = 3) = 4) |
| Logomat Rechengeräte | 1640 | Financial disc of plastic, 13x4.6x0.4 mm Front Scales: C % |
| London Name Plate MK.3 14A / 4200 Image Speed, Height, Ground Speed, Time Interval Computor | 1691 | Aviation disc of metal, 166x3 mm Front Scales: 1) 2) = 3) 4) Back Scales: 5) = 6) 7) = 8) |
| London Name Plate 6B / 2645 | 1683 | Aviation disc of plastic, 145x7 mm |
| London Name Plate 6B / 2652 Range and Endurance Computer MK 1 Meteor | 1684 | Aviation disc of metal, 166x4 mm |
| London Name Plate 6B / 2835 / 3145 | 1688 | Aviation disc of plastic/metal, 145x7 mm |
| London Name Plate 6B / 3206 Protractor Navigation | 2226 | Aviation protractor of plastic, 140x222x4.5 mm Front Scales: 1) 2) 3) = 4) |
| London Name Plate Mark 4 Ref no. 6B / 490 Navigational Computer Dead Reckoning | 1742 | Aviation disc of metal, 282x125x6 mm Front Scales: C = D 1) = 2) = 3) = 4) Back Scales: 5) = 6) |
| London Name Plate Mark II 6B / 131 Height and Air Speed | 1680 | Aviation disc of metal, 146x10 mm (1939) Front Scales: 1) 2)a+b 3) 4) 5) |
| London Name Plate Mark IV 6B / 345 Height and Air Speed | 1682 | Aviation disc of metal, 230x10 mm |
| London Name Plate MK 1A Vampire 6B / 2653 Range and Endurance Computer | 1685 | Aviation disc of metal, 166x4 mm |
| London Name Plate MK 1B Seahawk 6B / 2710 Range and Endurance Computer | 1686 | Aviation disc of metal, 165x5 mm Front Scales: 1) = 2) + window 1 = window 2 and 3 Back Scales: 3) = 4) + window 4 = window 5 and 6 |
| London Name Plate NATO 6B / 6605 | 1690 | Aviation disc of plastic/metal, 85x190x7 mm Front Scales: 1) = 2) 3) + 2 windows, Back Scales: 4) = 5) |
| Losztályu Logar MSZ 4617 57 | 1692 | Generic slide rule of wood/plastic, 297x39.4x11.5 mm Front Scales: 27cm lg / K A = B CI C = D P ] sin tg Back Scales: = LL1 LL2 LL3 = |
| Lovelace Foundation Nuclear Bomb Effects Comp. | 1693 | Military disc of plastic, 130x1 mm (1962) |
| Lummert SR 726 Sonderrechenstab | 2766 | Log/tech slide rule of plastic, 224x40x3 mm |
| Lutz 102 S | 1694 | Generic slide rule of plastic, 314x41x7 mm Front Scales: S K A = B CI C = D L T |
| Maandblad Doe het Zelf Schroeven schijf | 5319 | By Doe het Zelf, technical slide chart of cardboard, 197x89x0.6 mm Front Scales: See Picture, Back Scales: See Picture |
| Maier's Drehbare Sternkarte | 2882 | Astronomy disc of cardboard, 179x179x2.2 mm Front Scales: 1) = 2) 3) |
| Man Water levering (Water supply) | 5337 | By de Man, technical disc of cardboard, 100x150x1 mm Front Scales: See Picture, Back Scales: See Picture |
| Mandt Feldspat | 5320 | Technical slide chart of cardboard, 94x215x1 mm Front Scales: See Picture, Back Scales: See Picture |
| Marcantoni 10 NB | 3837 | Generic slide rule of plastic, 122.5x25x4 mm Front Scales: 11cm / A = B CI C = D Back Scales: = S L T = |
| Marcantoni 12.5 AB | 3838 | Generic slide rule of plastic, 155x31.5x4 mm Front Scales: 14cm / A = B C = D Back Scales: 5inch = = |
| Marcantoni 12.5 RE | 1696 | Electrical slide rule of plastic, 155x30.6x3.4 mm Front Scales: 14cm / cosø A = B CI C = D cosø #DYN-MOT Volt#, Back Scales: = S L T = 5inch |
| Marcantoni 12.5 RM | 3839 | Generic slide rule of plastic, 157x31x4 mm Front Scales: 14cm / E D = C R B = A L Back Scales: = S S&T T = |
| Marcantoni Elciv | 3840 | Electrical slide rule of plastic, 166.5x38x4 mm Front Scales: BI BII BIII BIV BV = DIV DIV-BIS 1) = db |
| Marci Univerbel Calculateur Vitrage/ étagères | 5654 | Technical slide chart of cardboard, 220x100x3 mm Front Scales: See picture Back Scales: See picture |
| Markant 510 | 3900 | Generic slide rule of plastic, 151x27x3.5 mm Front Scales: A = B CI C = D K |
| Masoneilan Cv-Wert Scala | 5301 | Log/tech slide chart of cardboard, 296x160x1.2 mm Front Scales: See Picture, Back Scales: See Picture |
| Masoneilan Valve Size Calculator | 2752 | Log/tech slide chart of plastic, 216x55x3 mm |
| Mattern M-2 | 1700 | Aviation disc of metal, 47x194x3 mm (1949) Front Scales: 1) = 2) = 3) 4) Back Scales: 5) = 6) 7) = 8) 9) |
| Matthijssen rule 2 | 3469 | Slide rule of bakelite/celluloid, 550x88x11 mm |
| Matthijssen rule 3 | 3467 | Slide rule of bakelite/celluloid, 440x88x11 mm |
| Matthijssen rule 4 | 3517 | Slide rule of wood/celluloid, 550x110x120 mm |
| Matthijssen rule 642 | 3468 | Slide rule of bakelite/celluloid, 550x89x12 mm |
| MDS London | 1701 | By M.D.S. London, generic slide rule of wood/plastic, 280x32x11 mm Front Scales: 10inch / A = B C = D |
| Mear Audco Rockwell Gas Flow Calculator | 1703 | Log/tech disc of plastic, 144x5 mm |
| Mear Comprehensive Conversion Calculator | 1702 | Conversion disc of plastic, 146x4.5 mm (1978) |
| Mear Comprehensive Conversion Calculator M1 | 1704 | Conversion disc of plastic, 146x4.5 mm |
| Mear Conversion Calculator | 2755 | Conversion disc of plastic, 127x5 mm |
| Mear Pipe Flow Calculator | 1706 | Log/tech disc of plastic, 142x6 mm Front Scales: 1) 2) 3) = 4) 5) = 6) 7) 8) Back Scales: 9) 10) 11) 12) = 13) 14) |
| Medische Electronica Portanje | 5380 | Medical rule no cursor no slide of plastic, 160x40x0.4 mm Front Scales: See Picture, Back Scales: See Picture |
| Megaprint Benzine verbruikscijfers | 5334 | Technical slide chart of cardboard, 200x195x1 mm Front Scales: See Picture, Back Scales: See Picture |
| Megapromotions Afstandstabel | 1707 | Technical slide chart of cardboard, 109x159x0.8 mm (1986) |
| Meierhofer Swissair Navigator 11054 | 1709 | Aviation disc of metal, 105x6 mm Front Scales: 1) = 2) 3) = 4) 5) = 6), Back Scales: 7) = 8) |
| Meissner >> System Rietz << | 1721 | Generic slide rule of wood/plastic, 299x40x11.5 mm Front Scales: 25cm / K A = B CI C = D L ] 10inch Back Scales: = sin sin/tg tg = |
| Meissner 75/2 b | 1714 | Generic slide rule of wood/plastic, 299x40x11 mm Front Scales: 25cm / K A = B CI C = D L ] 10inch Back Scales: = sin sin/tg tg = |
| Meissner VEB Galvanotechnik Leipzig | 3558 | Electrical slide rule of plastic, 261x44x4 mm Front Scales: K A = B CI C = D L Back Scales: G 1 = 2 3 3 4 4 = 5 |
| Meissner 1172 Schulrechner | 1715 | Generic slide rule of plastic, 316x40x4 mm Front Scales: A = B CI C = D, Back Scales: C = D C = D |
| Meissner 1731543 KG > RIETZ ARCUS < | 1717 | Generic slide rule of plastic, 325x43x4 mm Front Scales: L A DF = CF CI C = D S T ST |
| Meissner 1731543/1 KG > RIETZ - ARCUS LL < | 1719 | Generic slide rule of plastic, 325x43x4 mm Front Scales: L A DF = CF CI C = D S T ST Back Scales: = LL1 LL2 LL3 = |
| Meissner DDR 1731421 > DARMSTADT RECORD < | 1716 | Generic slide rule of plastic, 333x48x4 mm Front Scales: L K A = B CI C = D LL1 LL2 LL3 Back Scales: P S ST DF = CF CIF CI C = D T1 T2 DI |
| Mercator B 3 Computor | 3512 | Aviation disc of aluminium, 120x268x3.5 mm |
| Mercator B 4 Computor | 1722 | Aviation disc of aluminium, 120x268x3.5 mm Front Scales: 1) C = D 2) 3) = 4) = 5) = 6) = 7) Back Scales: 8) 9) = 10) |
| Mercator Computor Type 100 | 3513 | Aviation disc of aluminium, 120x268x3.5 mm |
| Merchants Graphic Profit Finder | 3908 | By Graphic Calculator Co, log/tech disc of plastic, 102x1 mm (1948) |
| Mercura La Regle Commerciale | 3653 | Financial disc of aluminium, 80x2 mm |
| Mercura Type 5.5 - 7 RC | 2825 | Financial disc of metal, 90x2.6 mm Front Scales: C = %% 1)2), Back Scales: C = %% 3)4) |
| Messdreieck 34 Re - Ge - 68 | 2060 | Military instrument of metal |
| Metallograph Musketry Model of 1918 | 1735 | Military slide rule of metal, 121x29x2.2 mm (1918) Front Scales: = 1) 2) = 3), Back Scales: 4) 5) = - = 6) |
| Microcom Modem Selector | 5340 | Computer slide chart of cardboard, 234x102x1 mm (1991) Front Scales: See Picture, Back Scales: See Picture |
| MIG Flight computer | 3603 | Aviation disc on body of plastic, 200x180x15 mm |
| Mignon 770 | 1726 | Generic slide rule of plastic, 150x33x3.6 mm Front Scales: A = B C = D |
| Militairy Japan 1943 | 3516 | Disc |
| Military NR - 8 | 3691 | Aviation slide rule of wood/celluloid, 230x38x7 mm Front Scales: Degrees = Degrees Sinus 1) = Tangens Entfernungen (km), Back Scales: 2) = Zeit Temp. = Höhe |
| Mindling Adding machine | 5058 | Calculate instrument |
| Minefield Calculator | 5260 | Military slide chart of plastic/cardboard, 170x116x1.3 mm Front Scales: See Picture, Back Scales: See Picture |
| Moker Heizflachenrechner | 2769 | Log/tech slide chart of metal, 223x6.8x2.3 mm |
| Molter "Late" model | 2018 | Generic disc of metal/celluloid, 65x6 mm (1923, 1925) Front Scales: A C = D, Back Scales: n1 n3 tg. Sin. Log. |
| Molter "Very Early" model | 3422 | Generic disc of metal/celluloid, 58x3.8 mm (1923, 1925) Front Scales: A C = D, Back Scales: K C L |
| Morin | 5437 | Generic slide rule of wood/celluloid, 289x32x10.5 mm Front Scales: 25cm / A = B C = D ] 29cm #29-58cm# Back Scales: = S L T = |
| Morin Régle de Correction des Vitesses de Coupe | 3569 | Technical disc of celluloid, 94v2 mm Front Scales: V = L Vo = E |
| Morin Regle Henri | 1733 | Generic slide rule of celluloid, 122x28x3 mm Front Scales: A = B C = D |
| Morin Régle pour Essais des Duretés des Métalix (Metal hardness meter) | 2881 | Technical disc of plastic, 91x1.5 mm (1961) Front Scales: 1) = 2) 2) = 3) |
| Morin Régle pour le Percage | 3570 | Technical disc of celluloid, 94x2 mm Front Scales: V = do Vo = a |
| Motoren Installations-Helfer Siemens | 5398 | By Siemens, technical slide chart of aluminium, 210x52x1 mm Front Scales: See Picture, Back Scales: See Picture |
| Multor Addimult Sumax - E | 3880 | By Made in Western Germany, generic disc of plastic/metal, 89x3 mm |
| Murphy The Weightmeter | 1734 | By George Murphy Inc, conversion disc of plastic, 75x1 mm (1914) |
| Myron Paint Calculator | 1730 | Log/tech slide rule of plastic, 162x29x2 mm (1952) Front Scales: A = B C = D |