EARLY BIRD HIRAM PERCY MAXIM SIGNED AIR EVENT COVER 1928-BOSTON AERO-RADIO SHOW For Sale

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EARLY BIRD HIRAM PERCY MAXIM SIGNED AIR EVENT COVER 1928-BOSTON AERO-RADIO SHOW:
$79.99

LISTED HERE IS AN ORIGINAL 1928 BOSTON AERO-RADIO SHOW COVER SIGNED BY HIRAM PERCY MAXIM.
Hiram Percy Maxim(September 2, 1869 – February 17, 1936) was an American radio pioneer and inventor, and co-founder of the American Radio Relay League (ARRL).Maxim is also noted as the inventor of the \"Maxim Silencer\", a silencerfor firearms (patented in 1908) as well as of a silencer (or muffler) for gasoline engines.

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