Automatic Electric Co.
Chicago, ILL 1889-1983

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The AE40 Monophone of 1925 was AE's first handset

the Monophone was the handset itself, not the complete phone)

The inside detail, at the top, displays where a dial could be placed.

The rectangular magneto generator box, with black colored heavy bakelite cover,
was designed to be used with an external subscriber set.

"Bakelite" is a heat-resistant product and a chemically stable resin which
 is actually the first plastic ever made. It was invented in Belgium by an American chemist
 by the name of Dr. Leo Baekeland. Easy to see where it got its name then.

View: BAKELITE MUSEUM   or   Magneto Generators