Ring Booster automobile and the back of the

and the back of the chair is the handset

fondly called the Brownie

The resulting E1 handset was ready for production in 1927

Phone is sold in as is condition

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Ring Booster automobile and the back of theRG 10A is a ring booster designed to increase ringing power of an existing telephone line, PABX extension, ISDN Terminal Adapter, or any other telecom device which provides ringing. It duplicates the incoming ring frequency and cadence allowing it to be compatible with custom ringing features. The RG 10A is capable of ringing 15 std (1REN) phones.