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MMD
Tech
HickmanAction
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U.S. Patents 1,823,142 & 1,866,707 compiled by Robbie Rhodes
Analysis of the Hickman Grand Piano Action -- by Richard Vance U.S. Patents 1,823,142
& 1,866,707 -- list of image files
"A New Piano Action" -- Sales brochure by Clarence N. Hickman, Ampico Research Laboratory Description of the New Piano Action -- by Clarence N. Hickman Pin joint for the Hickman grand piano action -- from Nelson Barden's 1969 interview with Dr. Hickman Newspaper articles, including the review of
the Town Hall concert in New York where Harold Bauer
played the Hickman action. "... an engineer's knack at invention
has evolved a mechanical device ..."
14 February 2002 |
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