Osram Valve Data Manual
This is a digital PDF copy of this 79 page Osram Valve Data Manual, originally published in 1943 which has been scanned by us from our own collection. Lots of useful information on vintage valves, making it a valuable resource for enthusiasts and collectors alike.
This is a digital PDF copy of this 79 page Osram Valve Data Manual, originally published in 1943 which has been scanned by us from our own collection. Lots of useful information on vintage valves, making it a valuable resource for enthusiasts and collectors alike.
This is a digital PDF copy of this 79 page Osram Valve Data Manual, originally published in 1943 which has been scanned by us from our own collection. Lots of useful information on vintage valves, making it a valuable resource for enthusiasts and collectors alike.