03-28-2009, 08:15 AM
Sears contracted with others (notably Colonial Radio) to make their Silvertone line of radios...but not with Philco. As far as I know the only other manufacturers Philco was involved with pre-war was the Radiobar Corporation (supplying chassis for the Radiobars) and IBM (a joint venture making two-way sound systems which included radio receiving equipment) for schools, industrial and maritime use.
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Ron Ramirez
Ferdinand IN