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ANTIQUE SCIENTIFIC INSTRUMENTS
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DRAWING/DRAFTING INSTRUMENTS



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Drawing Set A pocket sized drafting/drawing set.
A pocket sized set of drafting/drawing instruments still in their gray shagreen (shark skin) case. The case has nine individual compartments. The case has a working hinge and push lock and velvet lining. The instruments are all constructed of brass with the exception of a ruler made of ivory marked on both sides with various scales or measurements, and the divider points which appear to be of steel or iron. The set is missing some of its instruments. There would have been a brass protractor and a parallel rule in the original set I believe. For its age, the case is in beautiful condition. This is a rare set of early specialty tools.


Another view.
Ivory scale.

Age       late 19th C.                 Ref: SI0170
SOLD


Ivory Sector Rule A signed ivory sector rule.
A virtually perfect 12" (two 6" legs) ivory sector, signed 'Scott London'. The markings are very sharp (although the images don't show them well), both locating pins, a good tight hinge and no warping, cracking, or chipping. There is no difference in color between the 2 sides of the rule, the lighter image being a better representation of the actual color.


Another view.
Another view.












Age       late 19th C.                 Ref: SI0176
SOLD



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