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Crystal set design, TRF radios, Edison radios, antique carbon hearing aids and Blonder-Tongue Labs

Description contains information catagorized into five Sections. The oldest, started in 1999, now contains 29 original technical Articles written by Ben Tongue, related to crystal radio set design. Sections added later include information on the Edison Company's failed entry into the radio field, Technical Characteristics of TRF radios manufactured in 1928 and 1929 and Antique 'carbon' electric hearing aids from the '20s. Another section contains some info on the career of Ben H. Tongue and early products of Blonder-Tongue Labs.


crystal radio set, diode detector, headphone, audio transformer, inductor, variable, capacitor Q, impedance, matching, linear-to-square-law crossover point, ferrite inductor, B-9 Audio Baton, Edison Radio, TRF receiver, Ben H. Tongue, Blonder-Tongue Labs, carbon-type hearing aids, Acousticon


Crystal Radio Set Design, Edison Radios, Late 1920's TRF Radios, Antique carbon-type Hearing Aids and early products of Blonder-Tongue Labs


Crystal Radio Set Design - Section A
The Edison Company - Section B
TRF Radio Receivers - Section C
Antique Hearing Aids - Section D
Blonder-Tongue Labs, Ben H. Tongue's Patented inventions and early Blonder-Tongue products - Section E
Links - Section F




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Cloud of Keywords from all content
High relevance

radio radios hearing crystal edison blonder-tongue aids antique

Medium relevance

measurement tongue labs trf receivers company loss products

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receivers company loss products articles business copyright impedance carbon-type copies links technical closed user diode inventions patented data

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articles business copyright impedance carbon-type copies links technical closed user diode inventions patented data manuals acousticon oct magazine radio-craft electric reached splitdorf hi-fi division reports annual peak development receiver standard performance frame 1928-1929 includes collection reserved pictures rights 1999-2010 notice text downloads published revised highly purposes non-commercial clubs resources component suppliers construction aspects methods museum corporate electronic engineering instruments scientific wireless testing copied ferrite inductor parameters spice detectors variable capacitor audio transformer transduction headphone matching lslcp point application areas relating original carbon detector power crossover square-law linear equations tutorial notes documents originals expectations live effort national historic manufacturing service meetings internal minutes concentrate losses reverse drastic attempt field enteredthe downturn entertainment increasing year three-quarters phonograph advertisements

Highlighted Content Analysis

Cloud of Keywords from all content
High relevance

blonder-tongue radio radios

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crystal labs aids hearing trf antique edison products tongue

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products tongue technical company sections carbon

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technical company sections carbon inventions inductor links variable capacitor q headphone crystal radio set audio transformer diode detector b-9 audio baton ben h. tongue blonder-tongue labs carbon-type hearing aids acousticon trf receiver edison radio matching linear-to-square-law crossover point ferrite inductor patented impedance 1928 original articles written include 1999 started bentongue catagorized oldest failed entry 20s career 1920 carbon-type electric 1929 field characteristics manufactured receivers