| NAME | MATCH NR. |
DESCRIPTION |
| T.E.R No. 5 G.P.O. 1958 | 5070 | Log/tech slide rule |
| T.E.R. No. 4 G.P.O. 1947 22 V.C.B. | 5066 | Electrical slide rule |
| Tandy Radio Shack Resistor / Capacitor / Inductor color guide | 5383 | Electrical disc of cardboard, 107x55x1.6 mm Front Scales: See Picture Back Scales: See Picture |
| Technical Waxis Ltd | 5389 | Technical slide chart of plastic, 57x151x1.2 mm Front Scales: See Picture, Back Scales: See Picture |
| Tektronix Circuit Computer TEK 003-023 | 5811 | Log/tech disc |
| Telefunken Fernmeldekabel | 5321 | Electrical slide chart of cardboard, 105x210x1 mm Front Scales: See Picture, Back Scales: See Picture |
| Telex E 6B Computer Model FDF 47 | 2526 | Aviation disc of metal, 242x125x11 mm (1974) |
| Telex Mark 6 A Chart Plotting Board | 2860 | Aviation disc of plastic/bakelite, 304x304x15 mm (1974) Front Scales: Top plate: 1) = Disc 1: 2) Disc 2: 3) Back Scales: Disc 1: 2) |
| Telex MET - 56 Anglo Met Convertor | 2792 | Conversion disc of plastic, 152x1.5 mm (1974) Front Scales: C = D 1) 2) |
| Telex Pilots Computer and Plotter AL 2 | 2796 | Aviation disc of plastic, 98x115x3 mm |
| Tesa Maximatic | 3574 | Generic disc of metal, 103x107x7 mm |
| Texas Instruments TI-FETs | 5263 | Electrical slide chart of cardboard, 222x84x1.2 mm Front Scales: See Picture, Back Scales: See Picture |
| Thom Pump | 5075 | By Geo. L. Thom Ohio, log/tech slide rule |
| Tijdzone-overdrager. Rekenschijf voor ... | 2564 | Technical disc of aluminium, 423x423x3 mm |
| TNO U kunt op TNO rekenen | 5413 | Generic disc of cardboard, 129x0.4 mm Front Scales: C = D |
| Toxic Calculator Downwind Toxic Vapor Hazard FSN 6665 893 0986. | 2566 | Log/tech disc of plastic, 114x1.2 mm Front Scales: 1) 2) = 3) 4) 5) |
| TP - 66 M | 2072 | Military slide rule of metal, 380x140x2.5 mm |
| Trd Energie Besparingsschijf GTI Installatietechniek | 2568 | Technical disc of plastic, 190x3 mm (1980) |
| Trd Energie Besparingsschijf Klimaatkontrakt | 2569 | Technical disc of plastic, 190x3 mm (1980) |
| Treysit Drehzahlmesser | 2571 | Log/tech disc of bakelite, 85x17 mm Front Scales: 1) 2) |
| Trical Disque Calculateur pour Tricotage | 0265 | Knitting disc of plastic, 136x201x1 mm |
| Trilux Licht-Rechner | 2573 | Generic disc of metal, 100.6x1.8 mm (1962) Front Scales: f n E = F h, Back Scales: C = D |
| Trutrak Cigarette Dimension and Weight Calculator | 3952 | Disc of plastic, 222 mm |