Slide Rule and Case
Maker and role
Faber-Castell, Manufacturer
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Object detail
Accession number
2006.10
Maker
Description
Slide rule, the base is made of wood with white scales back and front. On the top there is another scale in the centre which slides parallel to the 2 adjoining scales. On the back is a list of various reference scales. The 2 edges of the slide rule are marked too. One edge is vertical and marked from 0 ~ 28 cm. The other side is sloping and marked from 0 ~ 10 inches. Case is made of cardboard and paper. It has the maker's name stamped on the front with a D.R.P. No.206428 printed under that. On the other side are a set of instructions and some more printing matter.
Brief History
A. W. Faber (later known as Faber-Castell) began making slide rules in 1892. The company began adding a celluloid facing to their wooden rulers from 1897.
Marks
A.W. FABER / D.R.P. No.206428 Printed
G. E. WATT Hand-written
G. E. WATT Hand-written
Credit Line
Faber-Castell. Slide Rule and Case, 2006.10. The Museum of Transport and Technology (MOTAT).
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