- Item type
- Object
- Provenance
- Presented by the Marconi Corporation.
- Primary inscriptions
- "MARCONI-NEWTON 20Y MARK III / PAT NO 262558/1926" around outer ring next to central hole. "3500 RPM 1.2HP / 70/175 MPH" around inner ring next to central hole.
- Physical material
- Aluminium.
- Object type
- Radio communication
- Dimensions
- Diameter: 60mm Width: 500mm
- Inventory No
- 54960
- Accession Number
- 2004-9/20
Description
Marconi Newton Constant-Speed Windmill 20Y Mark III, of aluminium construction. Blade includes enclosed centrifugal mechanism to control pitch. As used with Type AD6 set, for example 'Marconi' Universal Aircraft Telegraph Transmitter/Receiver Type AD6 D (Inv. Num. 94461).
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