| NAME | MATCH NR. |
DESCRIPTION |
| Diwa (621) 601 | 0782 | Generic slide rule of plastic, 150x31.5x3.7 mm Front Scales: 13cm / K A = B CI C = D L Back Scales: = S S&T T = |
| Diwa 1 - 1 Rietz Ideal | 0742 | Generic slide rule of plastic, 295x46.8x5.5 mm Front Scales: 28cm / L K A = B CI C = D S ST T |
| Diwa 201 Technical | 0747 | Generic slide rule of wood/plastic, 295x39x11.5 mm Front Scales: 27cm / K A = B CI C = D L ] 1:25 Back Scales: = S S&T T = |
| Diwa 221 Reinforced concrete | 0757 | Concrete slide rule of wood/plastic, 295x39x11 mm Front Scales: 27cm / 1)2) A = B 3) CI C = D L ] K Back Scales: = S S&T T = |
| Diwa 301 Rietz | 0758 | Generic slide rule of wood/plastic, 294x38.4x8.4 mm Front Scales: 25cm 10inch / K A = B CI C = D L Back Scales: = S S&T T = |
| Diwa 351 Darmstadt Elegant | 0762 | Generic slide rule of wood/plastic, 295x47.5x8 mm Front Scales: 25cm 10inch / L K A = B CI C = D P tg. Sin., Back Scales: = LL1 LL2 LL3 = |
| Diwa 501 - 1 Rietz | 0766 | Generic slide rule of plastic, 295x37.4x5.5 mm Front Scales: 28cm / K A = B CI C = D L Back Scales: = S ST T = |
| Diwa 501 Rietz Divinyl | 0764 | Generic slide rule of plastic, 295x38x5.5 mm (1956) Front Scales: 25cm 10inch / K A = B CI C = D L Back Scales: = S S&T T = |
| Diwa 511 Electro | 0768 | Electrical slide rule of plastic, 295x47x6 mm Front Scales: 25cm 10inch / Dynamo Motor K A = B CI C = D Volt tg. Sin., Back Scales: = LL1 LL2 LL3 = |
| Diwa 541 - 1 Businessman | 0772 | Generic slide rule of plastic, 295x37.5x5.5 mm Front Scales: 28cm / sh.d DF = CF % CI C = D £ |
| Diwa 541 Businessman | 0771 | Generic slide rule of plastic, 295x38x6 mm Front Scales: 25cm 10inch / sh,d DF = CF % R C = D £ |
| Diwa 601 | 0778 | Generic slide rule of plastic, 150x32.5x3.7 mm Front Scales: 11cm 4inch / K A = B CI C = D L Back Scales: = S S&T T = |
| Diwa 621 | 0788 | Generic slide rule of plastic, 150x31.5x3.7 mm Front Scales: 13cm / K A = B CI C = D L Back Scales: = S S&T T = |
| DIWA 631 | 5737 | Generic slide rule of plastic |
| Diwa 661 | 0618 | Generic slide rule of plastic, 150x32x3.6 mm Front Scales: LL2 A = B CI C = D LL3 Back Scales: = S S&T T = |
| Diwa 701 | 0790 | Generic slide rule of plastic, 295x44x3.5 mm Front Scales: 25cm L K A = B CI C = D tg. Cin. 10inch |
| Diwa 710 Teknilog | 0794 | Generic slide rule of plastic, 332x48x4.2 mm Front Scales: LL01 LL02 LL03 A = B L K C = D LL3 LL2 LL1 Back Scales: LL00 ST T DF = CF CIF CI C = D P S LL0 |
| Diwa 720 Polylog | 0795 | Generic slide rule of plastic, 335x48x4 mm Front Scales: LL00 L K A = B S ST T C = D DI P LL0, Back Scales: LL01 LL02 LL03 DF = CF CIF CI C = D LL3 LL2 LL1 |
| Diwa 741 Businessman Export | 0797 | Generic slide rule of plastic, 332x44x3.8 mm (1952) Front Scales: A DF = CF % CI C = D K L Back Scales: 25cm = = 8inch |
| Diwa without number, with 400° | 5743 | Generic slide rule of wood/celluloid |