1. There is no indication of maker on the rule but it is marked "Made in Bavaria" and has the date stamped on the back, both of which are found on Faber Castell slide rules.
c : 1.13: C,D
c': 3.57: C,D
| Slide rules HOME page | COLLECTION | 5" RULES |
| Make | Un-named, Germany (Promotional slide rule for Fischer Bearings Company Ltd) |
| Model | None given |
| Notes 1. There is no indication of maker on the rule but it is marked "Made in Bavaria" and has the date stamped on the back, both of which are found on Faber Castell slide rules. |
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| Front view |
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| Detail - front left |
Detail - back right |
| Manufacturing date | March, 1937 (stamped on rule) |
| Length | 5" |
| Material | Plastic on wood |
| Scales | A [B,C / S, L, T]: D |
| Gauge points | p: 3.14: A,B,C,D c : 1.13: C,D c': 3.57: C,D |
| Cursor | Plastic with metal clip top and bottom |
| Hair lines | None |
| Documentation | None |
| Condition | Complete leather wallet |