AVO Valve Tester by capjoe · Published 29 April 2015 · Updated 8 February 2019 Second Edition, 1951. Works like new For the B9A valve bases I have made an adaptor. Share
30 A. Hot Wire Ammeter by Johnson & Phillips Ltd. 15 April 2015 by capjoe · Published 15 April 2015 · Last modified 20 March 2019
A beautiful room thermostat 29 April 2015 by capjoe · Published 29 April 2015 · Last modified 10 November 2018
Second Edition, 1951. Works like new For the B9A valve bases I have made an adaptor. 
Second Edition, 1951. Works like new For the B9A valve bases I have made an adaptor. 
