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Electromagnetism / Antique radio / Bakelite / Horn / Vacuum tube / Crystal radio / Brass instrument / Loudspeaker / Microphone / Radio electronics / Electronic engineering / Technology


HRSA Auction – The Rare, the Early, and the Unusual. Radiofest 2014 Prices realised, in bold type. 1. Geco ‘phone box: Mid-20s, w/2 heaphone sets, one good (GEC 4K ohms) $[removed]United One: 1924-5, rare Udisco one va
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Document Date: 2014-09-24 07:22:41

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City

London / Sydney / Splitdorf / /

Company

Geco Jr Crystal Radio / Philips / Beaver Baby Grand Midget Crystal Radio / BBC / RCA / Ferrocart Crystal Radio / ESRVE Type RDN Crystal Radio / /

Country

United States / Netherlands / /

Currency

USD / /

Facility

From W.T. Factory / Tower Adventurer / /

IndustryTerm

metal / Beautiful decals/paint / Experimental laboratory equipment / wireless history / bank promo money box / /

NaturalFeature

De Forest / /

Organization

Federal Government / National Union / /

Person

Baldwin Type / Louis Cohen / /

Position

Phone/Speaker Distribution box / Stromberg Carlson 5A Speaker / Sterling Cone Speaker / Rare bullet-head / folded horn speaker / PCJJ Speaker / Kodel Microphone Speaker / early cone speaker / Radio Head / /

Product

Sony Portable Radio / /

RadioStation

Radio Midget Howe / Crystal Radio 1922 / /

Technology

CAV / /

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