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Richard Groshong, United States of America (USA) - Radio collection

Below you find a part of the radio collection Richard Groshong - including other related items. Pre-1920 Wireless artifacts and historical memorabilia. Leutz and Norden Hauck sets and literature. Plug-in coils shortwave sets and literature. Radio artifacts of historic note. Arctic, Antarctic, Space exploration radio gear.

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Part of the radio collection of Richard Groshong. These pictures have been uploaded to the corresponding models by Richard Groshong but this is not necessarily all of Richard Groshong's collection.

	GB:  Marconi's Wireless Telegraph Co. L... 1903–12 ?: Magnetic detector "Maggie" 101R Marconi Magnetic Detector on Marconi (Wall) Mount.		USA:  DeForest Radio Telephone & Telegra... 1904 : American DeForest 1904 Receiver Note that the Responder brass top is a replica based on the C.D. Babcock dr...
	DK:  Poulsen Wireless; København 1904 : Poulsen 1904 Arc Note that it is water-cooled and uses adjustable arc spacing and magnetic b...		USA:  Electro Importing Co. (Eico); New ... 1905 : Telimco Wireless Telegraph
	USA:  Massie Wireless Telegraph Co.; Pro... 1905–09 ?: Spark Transmitter Key		CDN:  Canadian Marconi Co. Ltd. (CMC, Es... 1905–12 ??: Magnetic Detector
	USA:  Collins Wireless Telephone Co.; Ne... 1906 : Collins 1906 Scientific American Receiver This Receiver is described in the article titled “The Design and Constructi...		F:  Ducretet (-Thomson; avant: Fernand... 1906 : Détecteur électrolytique suivant Ferrié Electrolytic Detector
	USA:  United Wireless Telegraph Co.; New... 1906–12 : Spark Station Sign		USA:  United Wireless Telegraph Co.; New... 1906–12 : Spark Transmitter 1KW Transformer
	USA:  United Wireless Telegraph Co.; New... 1906–12 : Spark Transmitter 2KW Variable Reactance		USA:  United Wireless Telegraph Co.; New... 1906–12 : Spark Transmitter Aerial Switch Type I
	USA:  United Wireless Telegraph Co.; New... 1906–12 : Spark Transmitter Anchor Gap		USA:  United Wireless Telegraph Co.; New... 1906–12 : Spark Transmitter Key
	USA:  United Wireless Telegraph Co.; New... 1906–12 : Spark Transmitter Leyden Jar		USA:  United Wireless Telegraph Co.; New... 1906–12 : Variable Condenser 90º / .005MF
	USA:  Clark Co., Thomas E., Detroit 1907 : Electrolytic Receiver		USA:  United Wireless Telegraph Co.; New... 1907–12 ?: Tuner Type D
	USA:  Marconi Wireless Telegraph Co. of ... 1908 : Sarnoff Spark Key		USA:  Electro Importing Co. (Eico); New ... 1908–10 : Telim Auto-Coherer No. 1098
	USA:  Electro Importing Co. (Eico); New ... 1908–14 : Electro Variable Condenser No. 9240		USA:  Electro Importing Co. (Eico); New ... 1908–16 : Electro Sending Helix No. 9270
	USA:  Electro Importing Co. (Eico); New ... 1908–19 : Leyden Jar 1.5-Pint No. 9222		USA:  Electro Importing Co. (Eico); New ... 1908–19 : Leyden Jar 1-Pint No. 9221
	USA:  Electro Importing Co. (Eico); New ... 1908–20 : Electro Zinc Spark Gap No. 9220		USA:  Murdock, WM.J. Co.; Chelsea 1909 : Crystal Receiving Set No. 2
	USA:  DeForest Radio Telephone & Telegra... 1909 : Loose Coupler Type E		USA:  Long Distance Wireless Instrument ... 1909 : Receiving Set Type A
	D:  Telefunken Deutschland (TFK), (Ges... 1909 ?: Universal-Empfänger E5 Einkreiser		USA:  Massie Wireless Telegraph Co.; Pro... 1909 ??: Vertical Loose Coupler
	D:  Telefunken Deutschland (TFK), (Ges... 1909 ??: Wellenmesser K.K.W.3		USA:  Electro Importing Co. (Eico); New ... 1909–13 ?: Electro Potentiometer No. 9250
	USA:  Electro Importing Co. (Eico); New ... 1909–14 : Head Receivers No. 1305		GB:  Marconi's Wireless Telegraph Co. L... 1910 ??: Spark Key The nameplate on this key is an original Marconi nameplate but seems later ...
	USA:  Electro Importing Co. (Eico); New ... 1910–14 : Electro Fixed Condenser No. 10000		USA:  Manhattan Electrical Supply Co. In... 1910–21 : Aerial Switch 11740
	USA:  Manhattan Electrical Supply Co. In... 1910–22 : Spark Coil 1-Inch No. 462		USA:  Electro Importing Co. (Eico); New ... 1911 : Electro Junior Fixed Condenser No. 10010
	USA:  Murdock, WM.J. Co.; Chelsea 1911 : Fixed Receiving Condenser No. 359		USA:  Murdock, WM.J. Co.; Chelsea 1911 : Spark Gap No. 441
	USA:  Manhattan Electrical Supply Co. In... 1911 ?: Detector Stand No. 454 Early		USA:  Electro Importing Co. (Eico); New ... 1911 ??: Electro Tuner No. 8486A
	USA:  Murdock, WM.J. Co.; Chelsea 1911 ??: Spark Key No. 282		USA:  United Wireless Telegraph Co.; New... 1911/12 ?: Loose Coupler - 2-Slide
	USA:  Electro Importing Co. (Eico); New ... 1911–14 : The Electro Loose Coupler 1912 Version Cat. No. 12002 Early version double slide primary.		USA:  DeForest Radio Telephone & Telegra... 1911–16 ??: Variable Condenser Type V.C. 3.5
	USA:  Federal Telegraph Co.; Newark NJ (... 1911–25 ??: Wireless Station Sign		USA:  Clapp-Eastham Co.; Cambridge, MA 1912 : Blitzen Duplex Loading Coil
	USA:  Clapp-Eastham Co.; Cambridge, MA 1912 : Blitzen Transformer 1/4 KW		USA:  Clapp-Eastham Co.; Cambridge, MA 1912 : Improved Ceco Tuning Coil

Click numbers for additional pages of Richard Groshong's collection of radios and other collectibles if any.
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Our member Richard Groshong opened his/her collection of radios and other related items on 20.Jan.2016.
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