| NAME | MATCH NR. |
DESCRIPTION |
| Fowler Long Scale Calculator | 3682 | Generic disc of metal, 68.5x11.5 mm Front Scales: L 3 revolution B scale Back Scales: C 6 revolution B scale |
| Fowler Universal | 3060 | Generic watch type of metal, 86x10 mm Front Scales: Conversion Yards to Metres C CI L 100-10 (in 3 circles) sin(6°-70°) sin(0°-5°) tan |
| Fowlers Calculator | 1222 | Generic watch type of metal/glass, 68 mm Front Scales: D C B A, Back Scales: L C A S |
| Fowler's Jubilee Magnum Extra Long Scale | 1223 | Generic disc of metal/glass, 119.5x11 mm Front Scales: 1) C CI L 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) |