BTH 4kΩ Crystal Set Bakelite Headphones BBC Radio WKG Wireless Headset Kopfhörer
Pricing & History
-
Sold for
Start Free Trial or Sign In to see what it's worth.
- Sold Date
- Source eBay UK
Cat's Whisker Radio - Ricevitore Galena - Detektorempfänger - Poste � Galène TOP QUALITY * WORKING BRITISH THOMSON-HOUSTON ( B.T.H. / BTH / BT-H ) LIGHTWEIGHT HEADPHONES WIRELESS TELEPHONES MANUFACTURED BY BRITISH THOMSON-HOUSTON CO. LTD. (Crown House, Aldwich, London WC2) GENUINE LEATHER HEADBAND BT-H LOGO MADE IN ENGLAND PATENT N O. 199678 (MOULDED ONTO BOTH HEADPIECES) SIMILAR TO THESE: (SOLD APRIL 1st FOR £56) BTH 4kΩ Crystal Set Bakelite Headphones BBC Radio WKG W... BUT VARIATION WITHOUT MOULDED BBC / B.B.C. " TYPE APPROVED BY POSTMASTER GENERAL" STAMP LIKELY 4000 Ω / ohm * NOT TESTED ON AN OHMETER c1923 LIMITED SIGNS OF USE From the infamous 1920s Brown Brothers catalogue: "B.T.H. Phones have become famous for their wonderful sensitiveness and tonal quality. Comfortable and readily adjustable, faithfully producing speech and music with maximum amplitude of sound." kopfhörer / doppelfernhörer / hörmuschel / ohrmuschel casque � écouteurs / hovedtelefon koptelefoon / oortelefoon / auricular / audífono fone receptor para ouvidos / hörlurar DESIGNED TO CONNECT TO A CRYSTAL RADIO RECEIVER DURING THE EARLY 1920s MY ITEMS TEND TO SUIT COLLECTORS OF: SPITFIRE HEADSET WIRELESS MIKROFON DETEKTOR EARPHONE CHURCHILL TELEPHONY WEHRMACHT TELEGRAPHY MICROPHONE CRYSTAL SET Detektor-Gerät Poste � Galè
read more
Items in the Price Guide are obtained exclusively from licensors and partners solely for our members’ research needs.
If this item contains incorrect or inappropriate information please contact us here to flag it for review.
If you are the originator/copyright holder of this photo/item and would prefer it be excluded from our community, contact us here for removal.
If you are the originator/copyright holder of this photo/item and would prefer it be excluded from our community, contact us here for removal.