Patent Model - Improvement in Trusses
Maker and role
Manvill MacDonald (b.1840, d.1922), Patentee
Production date
Sep 01 1874
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Object detail
Media/Materials
Brass, leather, wood
Measurements
6 x 13 1/2 x 8" (15.2 x 34.3 x 20.3cm)
Description
McDonald's patented improvements in hernia-trusses and abdominal supporters "consists of coil-wire springs continued into arms or levers, and formed into bows and loops, for attachment of pads by screws and washers, or other fastenings." (Patent Number 154,556)
Collection
Object number
2015.14.1811a,b
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