THE GREAT MULLARD MAGIC BLOG
IT STARTED WITH AN ELECTRODE CAGE.......
Today's photograph from the Mullard archives shows Albert Pumphrey, a valve engineer from the Blackburn Works examining Hilda Brooks' efforts at delicately constructing an electrode cage in May 1952. ...
IT STARTED WITH AN ELECTRODE CAGE.......
Today's photograph from the Mullard archives shows Albert Pumphrey, a valve engineer from the Blackburn Works examining Hilda Brooks' efforts at delicately constructing an electrode cage in May 1952. ...