45
edits
GoldenPhoenix
Joined 18 July 2023
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!Notes | !Notes | ||
|- | |- | ||
|[[67/87 Rb Rietz]] | |[[A.W. Faber-Castell 67/87 Rb Rietz|67/87 Rb Rietz]] | ||
|A.W. Faber-Castell | |A.W. Faber-Castell | ||
|Rietz | |Rietz | ||
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|Includes addiator on the back of the rule. One of a few slide rules capable of all four elementary functions. | |Includes addiator on the back of the rule. One of a few slide rules capable of all four elementary functions. | ||
|- | |- | ||
|[[V.I. 70-80]] | |[[A.W. Faber-Castell V.I. 70-80|V.I. 70-80]] | ||
|A.W. Faber-Castell | |A.W. Faber-Castell | ||
|Simplex (specialized) | |Simplex (specialized) | ||
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|A highly unusual rule created for the Esso company, exact purpose currently unknown. | |A highly unusual rule created for the Esso company, exact purpose currently unknown. | ||
|- | |- | ||
|[[№ 400]] | |[[ACU-MATH № 400|№ 400]] | ||
|ACU-MATH | |ACU-MATH | ||
|Mannheim | |Mannheim | ||
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|A rare layout with all scales on the front. Like all Mannheim rules, the S scale is keyed to the A scale, rather than the C scale. Uses DMS | |A rare layout with all scales on the front. Like all Mannheim rules, the S scale is keyed to the A scale, rather than the C scale. Uses DMS | ||
|- | |- | ||
|[[№ 601-1]] | |[[Diwa № 601-1|№ 601-1]] | ||
|Diwa | |Diwa | ||
|Rietz | |Rietz | ||
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|Ordered by Cooper-Bessemer. Has extra marks for calculating circles on the cursor. | |Ordered by Cooper-Bessemer. Has extra marks for calculating circles on the cursor. | ||
|- | |- | ||
|[[Model 1447]] | |[[Frederick Post Co. Model 1447|Model 1447]] | ||
|Frederick Post Co. (Hemmi) | |Frederick Post Co. (Hemmi) | ||
|Mannheim | |Mannheim | ||
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|Has reference guide on the back. Uses DMS. Has high visibility red hairline. | |Has reference guide on the back. Uses DMS. Has high visibility red hairline. | ||
|- | |- | ||
|[[Versalog II 1460]] | |[[Frederick Post Co. Versalog II 1460|Versalog II 1460]] | ||
|Frederick Post Co. (Hemmi) | |Frederick Post Co. (Hemmi) | ||
|Duplex | |Duplex | ||
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|My first straight engineering rule. Identical scales to the original Versalog, with the addition of an A scale, but no associated B scale. Has HV red hairline. | |My first straight engineering rule. Identical scales to the original Versalog, with the addition of an A scale, but no associated B scale. Has HV red hairline. | ||
|- | |- | ||
|[[Versalog 1461]] | |[[Frederick Post Co. Versalog 1461|Versalog 1461]] | ||
|Frederick Post Co. (Hemmi) | |Frederick Post Co. (Hemmi) | ||
|Duplex | |Duplex | ||
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|Pocket version of the original Versalog 1460, note the lack of A scale. Missing one screw on the cursor. Has HV red hairline. | |Pocket version of the original Versalog 1460, note the lack of A scale. Missing one screw on the cursor. Has HV red hairline. | ||
|- | |- | ||
|[[Model N 3-T | |[[Pickett Model N 3|Model N 3]]-T Power Log Exponential | ||
Log Log Dual Base | Log Log Dual Base | ||
|Pickett | |Pickett | ||
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!Notes | !Notes | ||
|- | |- | ||
|[[C-113]] | |[[Facit C-113|C-113]] | ||
|Facit | |Facit | ||
|Pinwheel (ten-key entry) | |Pinwheel (ten-key entry) | ||