Grace's Guide To British Industrial History

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Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,649 pages of information and 247,065 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Arthur Preen and Co

From Graces Guide
1930.
December 1933. Formo.
December 1934. Warmo.
January 1936.

Maker of Formo and Warmo heating appliances, of Crown Works, Cricklewood Lane, London, NW2.

1929 Listed Exhibitor. Manufacturers of Variable Condensers including Special Short Wave, Formo-Densor, L.F. Transformer, Combination L.F Amplification Units, "Dual Impedance", "Resistance-Transformer", Transformer output filter "Choke". Valve Holders, Coils, Publications: "L.F. Amplification", "Screened Grind Three". (Stand No. MM.67) [1]


See Also

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Sources of Information

  1. ↑ 1929 British Industries Fair Page 61
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