Grid Leak’s Pocketphone Instruction Manual

A.Reid Manufacturing Co. Ltd.
“Grid Leak’s” Pocketphone Receiver
Instruction Manual

Introduced in 1937, the Pocketphone was marketed as the first pocket sized  receiver.  It used HIVAC valves running at 30 volts HT.

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

Grid Leak's Pocketphone

 

See also:
http://www.bvws.org.uk/publications/bulletins/pdf/BVWS_Bulletin_14_1.pdf