| NAME | MATCH NR. |
DESCRIPTION |
| Perrygraf GE - CTF- 212 | 2122 | Aviation disc of plastic, 191x2 mm (1986) Front Scales: 1) 2) 3) = 4) + 2 windows 5) = 6) 7) 8) |
| Perrygraf Air Conveyer Calculator | 2749 | Log/tech slide chart of cardboard, 235x102x2 mm (1962) |
| Perrygraf Air-Gas and Steam-Liquid Orifice Flow Calculator | 0685 | Log/tech slide chart of cardboard, 280x91x2 mm (1961) Front Scales: 1) = 2) 3) 4) = = 5) = 6) = 7) = 8) = C = D, Back Scales: 9) = 10) 11) 12) = = 13) 14) = = 15) 16) = |
| Perrygraf Beam Computer | 2112 | Log/tech slide chart of cardboard, 236x102x2 mm (1971) |
| Perrygraf Cameron Flange | 2113 | Technical slide chart of cardboard, 255x102x2 mm (1959) |
| Perrygraf Cameron Honest John Bean Selector | 0584 | Log/tech disc of plastic, 165x2 mm (1957) Front Scales: 1) 2) = 3) 4), Back Scales: 5) 6) = 7) |
| Perrygraf Capacitance Inductance Reactance and Vector Impedance Calculator | 5288 | Electrical slide chart of cardboard, 214x79x2 mm (1971) Front Scales: See Picture Back Scales: See Picture |
| Perrygraf Cooling Water Calculator | 2753 | Log/tech slide chart of plastic, 202x64x2 mm |
| Perrygraf Dewpoint Conversion Chart | 2751 | Technical slide chart of cardboard, 214x80x2 mm (1967) |
| Perrygraf Edwards Laboratories 106132 Cardiac Calculator | 5391 | Medical slide chart of cardboard, 159x81x2 mm (1979) Front Scales: See Picture Back Scales: See Picture |
| Perrygraf Flange Fittings | 2746 | Technical slide chart of cardboard, 252x102x2 mm |
| Perrygraf Gas Turbine Computer, Pratt & Whitney Aircraft | 2116 | Aviation disc of plastic, 128x1 mm (1957) Front Scales: P = N A M 1) 2) 3) Back Scales: 4) 5) = 6) 7) 8) 9) |
| Perrygraf Gasoline Mileage Guide | 3890 | Technical slide chart of cardboard, 110x63x1 mm |
| Perrygraf Glulam Beam Calculator | 2744 | Log/tech slide chart of cardboard, 213x77x2 mm |
| Perrygraf Grinnell Selector | 2747 | Technical slide chart of cardboard, 305x133x2 mm (1959) |
| Perrygraf Metric Conversion Slide Rule | 5290 | Conversion slide chart of cardboard, 214x80x2 mm (1974) Front Scales: See Picture, Back Scales: See Picture |
| Perrygraf Nelson Shear Connector Comparator | 2745 | Concrete slide chart of cardboard, 213x80x2 mm (1962) |
| Perrygraf Ohmite Capacitar Calculator | 3883 | Technical slide chart of cardboard, 180x70x2 mm |
| Perrygraf Pittsburgh Pipe Fitting Indicator | 2198 | Technical slide chart of cardboard, 190x90x2 mm (1947) |
| Perrygraf Pollution Control | 2748 | Log/tech slide chart of cardboard, 255x165x2 mm |
| Perrygraf Pressure Drop Estimator | 2117 | Log/tech slide chart of cardboard, 213x80x2.5 mm (1968) |
| Perrygraf Production Unit Data for 2" and 2.5" Size Units | 2118 | Log/tech slide chart of cardboard, 89x213x2 mm |
| Perrygraf Pumping Calculator | 2119 | Log/tech slide chart of cardboard, 178x64x2 mm (1965) Front Scales: Various scales, Back Scales: C = D |
| Perrygraf SCA - 7201 Picture Size Computer and Lens Selector | 3981 | Photography slide chart of cardboard, 237x102x2.4 mm (1973) Front Scales: See picture, Back Scales: See picture |
| Perrygraf Shock and Vibration Computer | 5283 | Log/tech slide chart of cardboard, 215x79x2 mm (1983) Front Scales: See Picture, Back Scales: See Picture |
| Perrygraf Spray Nozzle Calculator | 5267 | Log/tech slide chart of cardboard, 215x79x1.8 mm (1976) Front Scales: See Picture, Back Scales: See Picture |
| Perrygraf Time Domain Reflectometer Calculator | 5326 | Electrical slide chart of cardboard, 235x102x2 mm (1965) Front Scales: See Picture, Back Scales: See Picture |
| Perrygraph Flare Size Calculator | 2114 | Log/tech slide chart of cardboard, 213x80x2 mm (1973) |
| Perrygraph Fracturing Calculator | 2109 | Log/tech slide chart of cardboard/plastic, 212x76x1 mm (1955) |
| Perrygraph Strainer Selector | 2120 | Log/tech slide chart of cardboard, 213x80x2.2 mm |