Patent Model - Improvement in Electric and Vapor Chairs

Maker and role
Mary Hayward (b.1829, d.1906), Patentee
Production date
Sep 26 1871
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Object detail

Wood, metal, sponge, brass
7 5/8 x 6 3/4 x 4" (19.4 x 17.1 x 10.2cm)
8 x 6 3/4 x 4 7/8" (20.3 x 17.1 x 12.4cm)
2 1/2 x 5 x 8 3/4" (6.4 x 12.7 x 22.2cm)
For medical purposes, Mary Hayward's patent objective "is to apply to the human body, or portions thereof, vapor for opening the pores of the skin, and also to bring liquids into contact with the skin for medical purposes, either with or without electricity." (Patent number: 119,230)
Object number
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