keyboard reed instruments need only choke the bulb hole.
This is Hughes's printing telegraph machine around keyboard of patent US22770
This is Hughes's printing telegraph machine around keyboard of patent US26003
oz.Typewriter: On This Day in Typewriter History (XXII):
Saturday, 11 June 2011
, with a treadle, is the Magneto-Printing dial telegraph machine of the period:
http://distantwriting.co.uk/instruments.html
Just before Densmore died, he might have prepared to own a piano company, I'm not certain though..
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