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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.

	CDN:  Canadian Marconi Co. Ltd. (CMC, Es... 1905–12 ??: Magnetic Detector		CDN:  Canadian Marconi Co. Ltd. (CMC, Es... 1912 ??: Spark Key Type 705A
	D:  Hochfrequenz-Maschinen AG für Drah... 1914 : Goldschmidt Tuckerton Receiver Plug-in detector is broken.		D:  Telefunken Deutschland (TFK), (Ges... 1909 ?: Universal-Empfänger E5 Einkreiser
	D:  Telefunken Deutschland (TFK), (Ges... 1909 ??: Wellenmesser K.K.W.3		D:  Telefunken Deutschland (TFK), (Ges... 1913 ??: 8-Jar Leyden Bank Condenser CL 10
	D:  Telefunken Deutschland (TFK), (Ges... 1914 ??: Großer Uhrwerkschleifer (clockwork slider) - Tikker Detector ED37		DK:  Poulsen Wireless; København 1904 : Poulsen 1904 Arc Note that it is water-cooled and uses adjustable arc spacing and magnetic b...
	F:  Ducretet (-Thomson; avant: Fernand... 1906 : Détecteur électrolytique suivant Ferrié Electrolytic Detector		GB:  Marconi's Wireless Telegraph Co. L... 1903–12 ?: Magnetic detector "Maggie" 101R Marconi Magnetic Detector on Marconi (Wall) Mount.
	GB:  Marconi's Wireless Telegraph Co. L... 1910 ??: Spark Key The nameplate on this key is an original Marconi nameplate but seems later ...		GB:  Marconi's Wireless Telegraph Co. L... 1912 : Sidelever Spark Key
	GB:  MIM, Marconi International Marine;... 1913 ?: Marine Spark Key		I:  Marconi Italiana (Marconifono), Of... 1912 : Sidelever Spark Key
	USA:  Adams-Morgan Co. (AMCO); Upper Mon... 1916 : Amco Navy Type Receiving Set No. RA10		USA:  Chambers F.B., Co.; Philadelphia, PA 1916 : New Undamped Wave Coupler No.749
	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		USA:  Clapp-Eastham Co.; Cambridge, MA 1912 : Improved Ferron Detector
	USA:  Clapp-Eastham Co.; Cambridge, MA 1912–15 : Blitzen Crystal Receiver		USA:  Clapp-Eastham Co.; Cambridge, MA 1912–15 : Blitzen Rotary Variable Condenser 1912 version
	USA:  Clapp-Eastham Co.; Cambridge, MA 1912–17 : Blitzen Helix 1/4 KW		USA:  Clapp-Eastham Co.; Cambridge, MA 1914–16 : Antenna Switch Dove Marble base This is the 1-KW Antenna Switch as shown in the 1910 Clapp Eastham catalog G.
	USA:  Clapp-Eastham Co.; Cambridge, MA 1914–17 : Boston Wireless Key Italian Dove Marble base		USA:  Clapp-Eastham Co.; Cambridge, MA 1919 ??: Antenna Switch Type Y 658
	USA:  Clapp-Eastham Co.; Cambridge, MA 1919 ??: Spark Gap Type F-656		USA:  Clapp-Eastham Co.; Cambridge, MA 1919–21 : Boston Wireless Key Engraved Bakelite Base
	USA:  Clapp-Eastham Co.; Cambridge, MA 1920 ??: Improved Transformer Type L		USA:  Clark Co., Thomas E., Detroit 1907 : Electrolytic Receiver
	USA:  Clark Co., Thomas E., Detroit 1922 ??: Tecla "Thirty"		USA:  Collins Wireless Telephone Co.; Ne... 1906 : Collins 1906 Scientific American Receiver This Receiver is described in the article titled “The Design and Constructi...
	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...		USA:  DeForest Radio Telephone & Telegra... 1909 : Loose Coupler Type E
	USA:  DeForest Radio Telephone & Telegra... 1911–16 ??: Variable Condenser Type V.C. 3.5		USA:  DeForest Radio Telephone & Telegra... 1913 : Audion Detector RJ5
	USA:  DeForest Radio Telephone & Telegra... 1913 : Radio Tel & Tel RJ-4 3 Point Tap Switch Note the 3-tap B-battery switch (left of Audion) and company name on namepl...		USA:  DeForest Radio Telephone & Telegra... 1914 : R.J.4 (RJ4)
	USA:  DeForest Radio Telephone & Telegra... 1914/15 : One Step Audiophone Amplifier (Audion) PJ-1		USA:  DeForest Radio Telephone & Telegra... 1916 : Audion Detector RJ 8
	USA:  DeForest Radio Telephone & Telegra... 1916 : Detector Panel RJ9		USA:  DeForest Radio Telephone & Telegra... 1916 : RJ-X
	USA:  DeForest Radio Telephone & Telegra... 1917 : Loading Inductance Type RJ11		USA:  DeForest Radio Telephone & Telegra... 1930 :  CS-5
	USA:  Electro Importing Co. (Eico); New ... 1905 : Telimco Wireless Telegraph		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

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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