Cossor, A.C.; London manufacturer

History of the radio manufacturer Cossor, A.C.; London

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Name:

Cossor, A.C.; London (GB)

Abbreviation:

cossor

Products:

tubes model-types

Summary:

A.C. Cossor Ltd., Cossor House, Highbury Groove, London N.5, England.
A.C.Cossor can trace its roots back to 1859, when it was founded long before radio was discovered. They made thermometers and barometers, specialised electrical glassware, to later include an early cathode ray tube, made in 1902 and "R" valves for use in the later years of WWI at their first factory at Highbury, London.

In 1922, Cossor launched a radically new type of valve which they designed in-house, establishing their name in the frontrunners of radio. They went from strength to strength selling valves and radios kits, diversifying to electronic instruments, including an oscilloscope.
The company initially entered the business of manufacturing radio sets by selling their products in kit form, adopting the slogan "Kings of the Air", later manufacturing for sale, in 1930, their first complete model. The Highbury factory was continuously developed until 1932 when they ran out of space, resulting in a decision to build their second factory, at Leyton, where they made radio cabinets from 1934.

Founded:

1859

Radioproduction:

1927 -

History:

Their household radio set brand name "Melody Maker" , introduced in 1927 for sets in kit form, was continued for 30 years until the late 50s and the odd example from my collection is shown elsewhere. Cossor's first TV receiver was advertised before regular transmissions had started, followed by a new receiver, demonstrated at the 1936 Radio Show. By 1938 they had the model 1210 using a 15 inch tube, very large by standards of the day, giving a picture, from which the model number was derived, of 12 inches by 10 inches. By 1939 Cossor, in common with all other leading manufacturers had joined the war effort, using their specific engineering expertise to develop the radar receiver for the Chain Home UK Radar Defence System. Their experience stood them in good stead, because after WWII they continued successfully in the field of radar. Manufacture of radio sets continued after the war with the number of different models getting less and less and ending with the introduction of tape recorders before the Cossor name petered out in the late 60s.

Some models:

Ctry	Year	Name	1st Tube	Notes
GB	55	Tele-Auto-Radiogram 935	171K	Cossor 935 Tele-Auto-Radiogram; 17" 405 lines b/w TV with 12 channel GB standard VHF ...
GB	54	937	171K	Cossor 937; 17" 405 lines b/w TV with 12 channel GB standard VHF tuner.
GB	55	938F	141K	Cossor 938F; 14" 405 lines b/w TV with 12 channel GB standard VHF tuner.
GB	35	365	41MPG
GB	40	All-dry Portable AD41	1C5
GB	55	939F	171K	Cossor 939F; 17" 405 lines b/w TV with 12 channel GB standard VHF tuner, full-length ...
GB	47	479AC/E	OM6	A model produced primarily for export but also available on the home market: one example h...
GB	49	916	108K	Cossor 916; 10" round CRT B/W 405 lines TV with GB standard single channel VHF band I...
GB	50	All-Wave Tele-Radio 918 All	108K	Cossor 918; 10" round CRT B/W 405 lines TV with GB standard single channel VHF band I...
GB	59	581	OC44	Mainly Similar to model 569, only some component value changes.
GB	30	Melody Maker Console Lowboy 19...		Cossor Melody Maker; 1930's console style model, an advert mentioned a mains powered ...
GB	30	Melody Maker Table 1930		Cossor Melody Maker; 1930's table model.

[rmxhdet-en]

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

Cossor a famous UK radio manufacturer (12.10.2003) Karel Van Doorslaer 531/0
Ac Cossor started in 1859 long before the radio days. Thermometers and barometers were made. The factory was in Highbury,London. In 1902 the started making tubes.Around 1922 the started selling radios in kit form under the name "King of the air" and "Melody Maker". In 1930 the fist complete radio saw light.The factory became to smal and a second one was build. Radio cabinets were produced here.They were also one of the leading pioneers in valve development.During WW II the developed the radar reciever for the UK radar Defence system and the continued this ,with succes, after the war. The producing of radiosets went to the background and ended in the late '60.