A laminated two bladed propeller, the boss stamped '401' -- 110in. (279.5cm.)

This propeller was made in Whitton & Whitton Piano factory, Stoke Newington in 1918. Surplus to requirements it was given to H.M.W. Firth and hung in the rear of the Piano showroom of Firth Bros (Pianos) Ltd, Edmonton, North London which is probably why the boss remained unmarked with details such as engine, horse power and pitch