1958 Press Photo Speaker phone being tested by a woman Wisconsin - mjc04386

A speaker phone now being tested has a dial, but nothing else familiar. A sensitive microphone above the dial picks up and transmits the voice, while the separate loud speaker at right brings in the answering party. Unfamiliar Look-- Scarcely recognizable

Photo is dated 1958.

Photo measures 8 x 10.25 inches.

Photo back: