"Heliocentric" triple reduction gear ratio 20

Made:
1926 in Charlton
'Heliocentric' triple reduction gear ratio 20,000:1

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'Heliocentric' triple reduction gear ratio 20,000:1
Science Museum Group
© The Board of Trustees of the Science Museum

"Heliocentric" triple reduction gear ratio 20,000:1, by Ryder and Davidson, London, England, 1926

Details

Category:
Mechanical Power Transmission
Object Number:
1926-1046
type:
gearbox
credit:
Ryder & Davidson