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History of the manufacturer  

Standard Telephones and Cables Ltd. (STC); London, Foots Cray

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Name: Standard Telephones and Cables Ltd. (STC); London, Foots Cray    (GB)  
Brand:
Micromesh tubes
Abbreviation: standard
Products: Model types Others Tube manufacturer
Summary:

Standard Telephones & Cables Ltd
Radio Merchandise Dept., St. Chads Place, 364 Grays Inn Road, London WC1 (ca. 1933)
Registered Offices: Columbia House, London WC2 (1930)
Rectifier Division, Warwick Road, Boreham Wood, Herts (1949)
Factories in Foots Cray, New Southgate, Hendon, North Woolwich and others. 

STC manufactured tube/valves, and later semiconductors, magnetic materials (Permalloy tapes), radio receivers and communication devices.

Brand names for valves/tubes are: Standard, Micromesh (1932-1933) and Brimar (1934-1960).

Brand name for magnetic materials was: Magnetic Materials Division with factory in Edinburgh Way, Harlow - Sussex 
From Electronic Engineering, volume 37 year 1965.

Founded: 1925
Closed: 1991
History:

In May 1883, Western Electric (USA) opened a small office and store in London. The business continued to grow and in 1910 they formed the private company Western Electric Co. When the International Telephone and Telegraph Company (ITT) aquired the international operations of Western Electric in September 1925, the company was renamed to Standard Telephones and Cables Ltd. (STC).

In 1938, Kolster-Brandes became part of STC.

Standard Telecommunication Laboratories Ltd. (STL, also used by STC Technology Limited) was established in 1945 in an existing plastics and cable factory in Progress Way, Enfield and later moved to Harlow, Essex. They deleveloped a double beam oscilloscope, wideband microwave link systems, telephone switching and telegraph applications, and semiconductors.

After a failed attempt at entering the Mainframe business with the takeover of ICL, and with dropping sales in the telecommunications sector, the company was acquired by Nortel in 1991.

 

STC first uses the brand Standard for their valves. From 1932 to 1933 the valves are marketed under the brand Micomesh, and after 1933 the brand Brimar (British made, American ratings) is used. The manufacturing plant was at Foots Cray in Kent.

Valves/tubes were continued to be advertised by STC. In 1949, the brand SenTerCel for selenium rectifiers was used.

The Brimar valve and cathode-ray tube division was sold to Thorn Electrical Industries Ltd. in 1960. For more details, see page 4 of "History of the British Radio Valve to 1940" by Keith R. Thrower, 1992 [570]


Some models:
Country Year Name 1st Tube Notes
GB  67 VSWR Indicator B32 79-LRU-44A   Standing Wave Ratio measuring device for the VHF range. Switchable input power 0.25 W / 1... 
GB  65 Oscillator 74254-A   Frequency range from 300 c/s to 300 kc/s. Dial indicates 300 to 3000. A range switch with ... 
GB  35 Receiver Radio R6 9D2  Receiver: Type R6 Commercial or Naval receiver Frequency Ranges; 1200 - 430kHz, 430 - 1... 
GB  65 Telephone Cable Test Set 74226   A test-set for cable installation engineers, to measure mutual capacitance, capacitance un... 
GB  65 Level Measuring Set 74832   A portable general-purpose 75Ω input voltmeter for use between 50kHz and 800MHz, housed in... 
GB  65 Millivoltmeter 74251   High impedance portable millivoltmeter specially for telecommunications use. It operates t... 
GB  65 Level Measuring Set 74255-A   This instrument is for use with Oscillator 74254-A.  Same frequency range: 300 c/s t... 
GB  68 Starphone SF1.1.25.S   Claimed in 1979 to be the worlds smallest Radio-telephone. Operating in the band 450-470 ... 
GB  35–42 R1082 VR18  The receiver covered 111 kHz to 15 MHz in 14 bands with exchangable coil pairs for aerial ... 
GB  29 Kone 24 Inch 560   Advertised for sale with Western Electric Supersonic Nine radio in Australia in May 1929. 
GB  34 Standard 40 8A1  Designed to be used with optional SW converter, a socket is provided to power the converte... 
GB  34 Standard 60 9A1  Micromesh valves, alternative Mullard valves are VP4, SP4, VP4, TDD4, Pen4VA, DW3. Same ch... 

[rmxhdet-en]

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

"Standard" logo from Standard 30MC User Instructions Nov 1933tbn_stc_logo_1933.jpg
ca. 1955tbn_gb_stc_address.jpg
tbn_stc_vales_list_of_equivalents_orange.jpg
From "Electronic Engineering" Volume 37 year 1965. A new serie of push-button made by Mayr, an associate of STC Company.tbn_gb_standard_telephone_products.jpg

  
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