Patent Model - Improvement in Surveying-Instruments
Maker and role
William Devault, Patentee
Production date
Sep 02 1879
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Object detail
Media/Materials
Wood
Measurements
8 1/2 x 11 1/4 x 6" (21.6 x 28.6 x 15.2cm)
Description
Devault's patent furnishes "an improved instrument for surveyors and engineers, whereby the contents of land-distances, &c., may be calculated and measured readily; and it consists in the construction and arrangement of the several parts..." (Patent Number 219,076)
Collection
Object number
2015.14.2977
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