Faber-Castell No 57/87 Slide Rule
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The Faber-Castell 57/87 Student 10 inch Rietz model is a closed frame plastic slide rule dated 3/65. It has a clear plastic case and instructions. Scales are: inK,A{B,C1,C}D,L//{S,ST,T}.
The Rietz name comes from 1902 when Max Rietz modified and enhanced the »System Mannheim« with a X-cubic scale and mantissa scale on front and gaps with index lines on the back side. Now the slider could be read on the back side without turning the slider in the slide rule. In 1925 he added a reciprocal-X scale and scales for small angles.
A.W. Faber, later A.W. Faber-Castell, was one of the leading manufacturers of slide rules. They began as pencil makers in 1761, expanding to slide rules in 1882. This slide rule in our collection was manufactured after they changed their name to A.W. Faber-Castell in 1913. Faber stopped manufacturing slide rules in 1976 due to the decline of the slide rule.
Our slide rule is complete with the original instructions and the clear plastic case. This was very kindly donated by Tony Priest.
Manufacturer: Faber-Castell Other Systems Related To Faber-Castell No 57/87 Slide Rule:
This exhibit has a reference ID of CH6991. Please quote this reference ID in any communication with the Centre for Computing History. |
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