| Name | GRAY 75A Prepay Pay Stations |
| Date | 1921-33 |
| Manufacturer | Gray/Western Electric Model 50K Payphone. Images BELOW- with special thanks to Christopher Stewart |
Development of the GRAY 75A Prepay Pay Station Payphone
| The Gray 75A Prepay Pay Station was a dial-equipped prepay payphone developed by the Gray Telephone Paystation Company. Designed for automatic exchanges, it required coins to be deposited before dialing, preventing unpaid calls. It represents Gray’s transition from operator-assisted to fully user-dialed commercial payphones. |
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