Patent Model - Improvement in Slate-Washers

Maker and role
William Westlake (b.1831, d.1900), Patentee
Production date
Apr 22 1873
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Object detail

Tin, brass
17 x 17 x 2 1/4" (43.2 x 43.2 x 5.7cm)
The object of Westlake's patent "is to provide an instrument by the use of which school-children can carry a sponge and water for washing their slates in their pockets, and which, when so carried or left in the desk in any position, will not let the water leak out and damage other articles..." (Patent Number 138,218)
Object number
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