Patent Model - Improvement in Fly-Fans

Maker and role
Henry Baker (b.Circa 1827, d.Circa 1890), Patentee
Production date
Jan 16 1877
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Object detail

Wood, tin, paper, iron, paint
4 3/8 x 9 1/2" (11.1 x 24.1cm)
The nature of Baker's invention "consists in combining, with the shaft of the fan, a disk keyed thereon, and a friction-brake actuated by a set-screw, whereby means are provided for regulating the speed of rotation of the fan from fast to slow and the reverse, or stopping them altogether, thus retaining the unexpended force of the sctuating-spring until a subsequent occasion." (Patent Number 186,292)
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