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History of the manufacturer  

Leningrad Kozitsky Works

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Name: Leningrad Kozitsky Works    (SU)  
alternative name:
Radiotelegraf Works
Abbreviation: lenin-kozi
Products: Model types Others

One of the most famous radio works in Russia. Founded in 1853 as "Siemens & Halske Telegraph Depot". Best known thru its history as "Kozitsky Works" (Zavod Kozitskogo). By late 1930s was renamed to "Works No. 210". Current official name ZAO "Kozitsky Works", member of "Raduga" Industrial Association.

Founded: 1855
Founded in 1853 as "Siemens & Halske Telegraph Depot". From 1898 part of Association of S&H Works in Russia. From 1919 - "Petrograd Telegraph Works". From March to August, 1922, member of Low Current Factories Trust. From August, 1922, "Petrograd Radioapparatus Kozitsky Works" (Kozitsky was the name of one of Communist Party active members).
By late 1930s the plant was renamed in a military style and has become "Works No. 210". In July, 1941, because of approaching Wehrmacht troops, most part of the plant was moved to Siberua where the same "Works No. 210" name was used in the city of Omsk. Since that time there is "Omsk Kozitsky Devices Works" in existence.
Small part of "Works No. 210" has remained in Leningrad in 1941, and there were some radios produced even though the city was completely blocked by German Wehrmacht troops for 900 days. A well-known example was "Sever" two-way compact radio delivered to the Red Army by airplanes.
In the post-war period there were some military-style designations used to identify Leningrad Kozitsky plant (PO Box 823, PO Box A-1782) but from 1960 it was named "Kozitsky Works" again (in Russian - "Zavod imeni Kozitskogo"), and kept that name ever since.

Some models:
Country Year Name 1st Tube Notes
SU  51–60 Hmell R-671 {Р-671}   AM/CW receiver for naval applications. Coverage 1.5 to 25 MHz in five ranges, IF bandwidth... 
SU  46 Leningrad {Ленинград} [2 x 5z4s] 6К7  Shortwave coverage 4,2-15,4 Mhz in for ranges. Till 1948 model "Leningrad" produced only w... 
SU  48 Leningrad {Ленинград} [5z3s] 6К7  Wave bands BC, LW & SW1 16m; SW2 19m; SW3 25m; SW4 31-70m 
SU  34 ÈKL-34 {ЭКЛ-34} СО-124  Frequency range LW: 150-400 kHz (2000-750 m)and MW: 400-1200 KHz(750-250 m). Possible use ... 
SU  50 Leningrad {Ленинград} T-3 {Т-3} [Teleradiola]   Kombinationsstandgerät mit Radio, TV und Plattenspieler 78 U/min; TV für 3 OIRT-Kanäle ~48... 
SU  51 Leningrad {Ленинград} T-6 {Т-6}   31-cm-Bildröhre 31LK1B?; Standgerät mit senkrecht eingebauter Bildröhre und Umlenkspiegel;... 
SU  32 B-2 (Б-2) СО-118  Bildwiedergabegerät nach dem Nipkowscheibenprinzip; 30 × 40 mm orange schimmerndes Bild; G... 
SU  46–49 Leningrad {Ленинград} T-1 {Т-1} 1Ц1С  Image size 140 x 105 mm; Forerunner of Leningrad T2. Three variants schema - 20,21 or 22 t... 
SU  56 Znamâ - Знамя 6Н3П  5 Channel OIRT Standard VHF Tuner; + OIRT FM Radio; Picture Tube: 43LK2B; Power Consumpti... 
SU  51 Avangard {АВАНГАРД} TL1 6Ж3П  Picture tube 31LK2B; 220 Watts power consumption, 3-channel-Soviet VHF-Low-Band-I Standard... 
SU  55 Avangard {Авангард} 55 6Ж3П  5-Kanal-Tuner nach OIRT-Band I + III sowie OIRT-FM-Radio; sogenanntes Klasse-3-Gerät.... 
SU  67 Raduga {Радуга} 4 40ЛК2Ц  One of the first SECAM Standard Soviet Color TVs; 250 Watts Power consumption; 54 Diodes; ... 


Further details for this manufacturer by the members (rmfiorg):

Leningrad Kozicky Work logo on radio set EKL-34tbn_su_leningradkozicky_1934_logo.jpg
In Petersburgtbn_su_kozicky_1885_building.jpg
logos changed in time...tbn_su_kozicky_1885_logo.jpg