Keywords: Philco SB100 surface barrier transistor ad=1955.jpg en This is a scanned page of my 1955 Philco material advertisement This scanned image is for the educational purposes only and for the history of Philco Philco is no longer in business and was sold out to Ford in 1961 and Ford sold its ownership of Philco in 1974 The copyright on this Philco advertisement was not renewed and it is in the public domain 2008-02-06 own Historianbuff cc-by-sa-3 0 PD-scan PD-US-not renewed Uploaded with UploadWizard Philco Transistors 1955 advertisements 1955 in radio Radio in the 1950s |