1. Rear of slide rule has table of sin and tan and trigonometrical equations, as has the 5" equivalent.
U:C,D
| Slide rules HOME page | COLLECTION | 10" RULES | UNITED KINGDOM |
| Make | Unique, England |
| Model | Log-log |
| Notes 1. Rear of slide rule has table of sin and tan and trigonometrical equations, as has the 5" equivalent. |
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| Front view |
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| Detail - front left |
Detail - back |
| Manufacturing date | Circa 1950. Rule has all plastic cursor. |
| Length | 10" |
| Material | Plastic on mahogany |
| Scales | LL2,A[B,C] D,LL3 |
| Gauge points | p: 3.14: A,B,C,D U:C,D |
| Cursor | Plastic with white plastic frame top and bottom |
| Hair lines | None |