Home:  Receiving: MH4 MOV CATKIN VALVE, 1932

MH4 MOV CATKIN VALVE, 1932

View all Receiving

MH4 MOV CATKIN VALVE, 1932

The Marconi Osram Valve Company developed the MH4. An indirectly heated Triode, that became the general purpose valve for set makers in the 30's. And was the worlds first all metal valve, the case of this valve (Anode) carried the full HT voltage. See Item A0638 for a Catkin with a cover.

Add a memory or information about this object

A0637



2007 The Museum of Technology, The Great War and WWII
Company registered in England No. 7452160, Registered Charity No. 1140352, Accredited Museum No. 2221