Charles H. Pugh
From Graces Guide
Charles H. Pugh Ltd, of Whitworth Works, Birmingham, 9. Telephone: Victoria 2524 (4 lines). Telegraphic Address: "Accuracy, Birmingham". (1937)
1901 Public company.
1908 Company made private.
This company was best known as a successful manufacturer of small 'repetition' components. These were used extensively during the First World War on many items, including armaments.
Post-WWI. Demand for products declined after the end of the war, so the company looked for new products and marketing opportunities. One of the first products was a carburettor known as the Senspray which was sold to engine manufacturers such as Villiers for use in motorcycles. Another product was Alfred Appleby Cycle Chain, "The Best Cycle Chain In The World".
1921 The Atco machine was introduced, the first mower made by Charles H. Pugh Ltd.
The name "Atco" came from the Atlas Chain Co, another company owned by Charles H. Pugh Ltd. The mower had several components already manufactured by the company, including Senspray carburettor and chain drive.
By 1926, the company was producing tens of thousands of mowers annually. Prices reduced and a wide range of models arrived on the market.
1937 Motor lawn mower manufacturers. 
1937 Listed Exhibitor - British Industries Fair. Examples of Press and Capstan Work. General Light Engineering. Specialised Textile Machinery fittings. Atco Motor Lawn Mowers. Atco Tractor. Power Propelled Atcoscythe. Atco Horticultural Tools. (Stand No. D.618) 
WWII. Part of the Atco factory at Hall Green manufactured munitions.
Post-WWII. After the war, the Birmingham factory quadrupled in size. It was a growing period for domestic lawnmower manufacturers, as production and servicing of mowers increased.
1951 Several different types of products had been introduced - these ranged from powered auto-scythes to boat impellers, which found great popularity in the marsh-lands of Eastern Asia.
1951 Reverted to a public company.
1955/6 The company was granted a Royal Warrant for lawnmowers and tractors.
1961 Manufacturers of "Atco Boatingellers". 800 employees. 
1965 Charles H. Pugh Ltd became a subsidiary of the Qualcast Group.