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MADE BY KELLOGG FOR THE FRONTIER TELEPHONE COMPANY. UNMARKED KELLOGG BEVELED EDGE TRANSMITTER. EARLY TYPE PEARCH WITH THUMB SCREW AND NOTE THE F IN THE HOOK. |
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MADE BY KELLOGG FOR THE FRONTIER TELEPHONE COMPANY. UNMARKED KELLOGG BEVELED EDGE TRANSMITTER. EARLY TYPE PEARCH WITH THUMB SCREW AND NOTE THE F IN THE HOOK. |