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The rotor: successor to the motor
The rotor: successor to the motor
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The rotor: successor to the motor

DateApproximately 1920s
Format
Notes
Includes some catalogue information
"Driven by harmonic vibrations"--Upper cover 
DimensionsCover size: 23 cm x 16 cm (9 1/16 in. x 6 5/16 in.)
Language
Usage Rights Public Domain (Learn More)
Call Number / Accession Number37131055158414D
Dewey Number621.46029 C12
Country:Canada
City, town or township:Montréal
Province or state:Québec