R. A. Rothermel


Manufacturer of audio and electronics components, of High Road, Kilburn, London NW 8.
Produced the Halladay and Roamer early automobiles.
1913-1917 For a list of the models and prices see the 1917 Red Book
1916 Agent for cars made by Bowen Manufacturing Co
1920 Rothermel Corporation Ltd was incorporated; R. A. Rothermel was a wholly-owned subsidiary[1]
1936 Advert: piezo-electric gramophone pickup
1938 R. A. Rothermel Ltd had made a small loud-speaker that could go under a pillow[2]