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Roseville Telephone Museum

Roseville Telephone Museum

THE BACKUP. THIS IS REALLY COOL. I WANT TO SHOW YOU THIS. THIS IS FROM THE 1950s CALLED A SWITCH STEP. WE’RE GOING TO MAKE A CALL AND SEE YOU WHO’S ON THE OTHER LINE. SO THE NUMBERS GOING TO BE 555 — THIS IS LIKE WHEN CELL PHONES COME IN HANDY. OKAY, WHERE DOES …

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