Eastonia ? by capjoe · Published 1 May 2015 · Updated 7 March 2019 You can see on the photo below an early lead acid battery supplying the 2V filaments of the valves. It has ONLY 2 plates of 10 m.m. thickness and gap of 10 m.m.!!! Each plate has a number of 1 m.m. holes. Share
Oceanic Goelette 12 September 2015 by capjoe · Published 12 September 2015 · Last modified 7 March 2019