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Phones - Ericsson desk phone 50s-60s |  |
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Phones Ericsson desk phone Made in Holland. Type PTT 1950s-60s Art Deco. Type 1951 on inside label. 10-64 (date?) on dial. The white button is the so called "earth" button. It is the ancestor of the "flash" button, for instance for connecting a caller with someone else on the PABX (Automatic Telephone Exchange). 
The Vintage Electronics Expo Saturday, January 20, 2024 9am-4pm
Southfield Pavilion, 26000 Evergreen Rd, Southfield, MI 
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