Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,386 pages of information and 233,857 images on early companies, their products and the people who designed and built them.
Manley and Regulus Ltd. of Showell Works, Showell Road, Wolverhampton. Telephone: Fallings Park 31081. Telegraphic Address: "Regulus, Wolverhampton". (1937)
1884 Company founded.
1919 Public company.
1937 British Industries Fair Advert for Hot Brass Pressingss for all Trades - Motor, Electrical, Gas, Water and General Engineering. "Speedy" Patent Compression Couplings for Light Copper Tube. (Engineering/Metals/Quarry, Roads and Mining/Transport Section - Stand No. D.215) 
1961 Brass founders, manufacturing engineers and plumbers' brass foundry, speedex compression fittings and hot brass pressings. 480 employees.