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Stromberg-Carlson upright phone

When Alexander Graham Bell’s patent on the telephone expired in 1894, American Bell Telephone Company employees Alfred Stromberg and Androv Carlson went into the telephone-manufacturing business for themselves.

The telephone shown here is Stromberg-Carlson’s first upright desk phone, nicknamed "the Coffee Grinder" by enthusiasts due to its unusual shape and side-mounted hand crank. Few of these unique members of the "candlestick phone" family survive today.