Patent Model - Ruler
Maker and role
Thomas Fisher, Patentee
Production date
Apr 27 1858
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Object detail
Media/Materials
Wood, rubber
Measurements
12 x 1 1/2" (30.5 x 3.8cm)
Description
Fisher's non-slipping ruler patent "consists in providing the under part of the ruler with grooves, which grooves are to be filled with india rubber, which will when put upon paper, wood or glass, &c., adhere to the same, so that in ruling when the pen comes against the edge of the ruler it will not slip out of place, and in cutting window or other glass, when the ruler is applied to the glass by a slight pressure of the hand to the ruler it will adhere to the glass, and when the instrument is used for cutting comes against the edge of the ruler the india rubber will prevent it from slipping. (Patent Number 20,055)
Collection
Object number
2015.14.225a,b
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Maker
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