| NAME | MATCH NR. |
DESCRIPTION |
| Tecnostyl 40/R Rietz | 2506 | Generic slide rule of plastic, 280x43x6.2 mm Front Scales: 27cm / K A = B CI C = D L Back Scales: = S S&T T = |
| Tecnostyl 41/C | 2507 | Generic slide rule of plastic, 149x31x3.8 mm Front Scales: 14cm / A = B % h st C = D |
| Tecnostyl 41/C | 5783 | Generic slide rule of plastic |
| Tecnostyl 41/C4 | 2517 | Log/tech slide rule of plastic, 154x37x4 mm Front Scales: 14cm / A = B % h st % st h st C = D Back Scales: = B % h st % st h st C = |
| Tecnostyl 41/D | 2508 | Generic slide rule of plastic, 150x37x4 mm Front Scales: 14cm / P K A = B CI C = D tg SEN Back Scales: = LL1 LL2 LL3 = 5.5inch |
| Tecnostyl 41/E Electro | 2510 | Generic slide rule of plastic, 149x314x3.5 mm Front Scales: 14cm / cosa A = B CI C = D cosa Back Scales: = S lg T = |
| Tecnostyl 41/R | 2511 | Generic slide rule of plastic, 149x31.5x3.5 mm Front Scales: 14cm / K A = B CI C = D L Back Scales: = S S&T T = |
| Tecnostyl Calcolator | 2503 | Generic disc of plastic, 160x9 mm Front Scales: A = B |
| Tecnostyl Calcolator Gegolo da Tavolo | 2776 | Generic disc of plastic, 160x8 mm Front Scales: A = B |
| Tecnostyl Regolo per Trigonometria | 2885 | Calculate slide chart of plastic, 130x54x2.2 mm Back Scales: 12cm |
| Tecnostyl ST 41 | 2515 | Generic slide rule of plastic, 150x27x3.5 mm Front Scales: A = B CI C = D K |