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Sans & Streiffe No 311 - Notes
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Not mentioned in Hopp's book, this rule looks to be almost identical to the
Relay 150.
Sans & Streiffe appear to have had a number of these Relay/Ricoh rules made with
their brand name.
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Details
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Further details about this Slide Rule:
| Brand |
Sans & Streiffe |
| Model |
No. 311 |
| Country of Manufacture |
Japan |
| Scales Front |
L, LL1, DF [CF, CIF, CI, C] D, LL3, LL2 |
| Scales Back |
LL0, LL00, A [B, K, CI, C] D, S, ST, T |
| Number of Scales |
21 |
| Slide Rule Materials |
Bamboo/Celluloid |
| Cursor Materials |
Nylon/Plastic with metal screws |
| Cursor Lines |
1 Front, 1 Rear |
| Scale Length |
25 cm |
| Length |
32.2 cm |
| Width |
4 cm |
| Condition |
Good |
| Documentation |
None |
| Accessories |
Leather case |
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