Description

A twin bladed aluminium Marconi-Newton type 182S constant speed windmill dated 1926. 

MARCONI-NEWTON CONSTANT SPEED WINDMILL PAT. No 262558/1926

3500 R.P.M. 85/300 M.P.H TYPE 182S No 27582/23

Propeller length: 46 cm. 

For a similar Marconi-Newton constant speed windmill see the online catalogue of the Marconi Collection at the Museum of History of Science, Oxford. Inventory Number: 54960 

Mounted on a modern display stand allowing the propeller to rotate.