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Images
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Keuffel & Esser 4053-3 - Notes
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- K+E Polyphase model. This was available for many years and was one of the most produced rules for K+E.
- This variation includes the white plastic back on which the equivalent scales were directly printed. This style of rule
was introduced around 1954 and was current until the number series was changed sometime later.
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Details
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Further details about this Slide Rule:
| Brand |
Keuffel & Esser |
| Model |
4053-3 PolyPhase |
| Country of Manufacture |
USA |
| Date of Manufacture |
c 1956 |
| Scales Front |
A [B, CI, C] D, K |
| Scales Back |
[S, L, T] |
| Number of Scales |
9 |
| Slide Rule Materials |
Wood/Celluloid/Plastic |
| Cursor Materials |
Metal/Plastic |
| Cursor Lines |
1 Front |
| Scale Length |
25 cm |
| Length |
27.7 cm |
| Width |
3.5 cm |
| Condition |
Fair, Missing screw on reverse |
| Documentation |
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| Accessories |
Leather case and original box |
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