Patent Model - Improvement in Electro-Magnetic Motors
Maker and role
John Doyle, Patentee
C. Dusenbury, Assignee
Production date
Jul 22 1879
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Object detail
Media/Materials
Wood, brass, steel, iron, copper
Measurements
10 1/8 x 12 x 11 5/8" (25.7 x 30.5 x 29.5cm)
Description
Doyle's patented improvement provided "an electro-magnetic motor in which the magnets shall at no time be at more than a trifling distance from the armatures with which they co-operate in giving motion to the mechanism." (Patent Number 217,731)
Collection
Object number
2015.14.2942a,b
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