of Invicta Works, Grantham. Road rollers, dumpers, graders, bulldozers, concrete mixers.
1934 They changed their name to Aveling-Barford
1937 Became a public company to raise £320,000 with Edward James Barford, William Geoffrey Barford and George Ruston Sharpley as directors. Claim they make 75% of all rollers in the UK at present. 
1937 Road and aerodrome roller manufacturers. "Invicta" Rollers. "Pioneer" Rollers.
WWII During the war the company built bren gun carriers for the army, shell fuse caps and various precision-made components for tanks and submarines.
1960 Advert for dumpers and graders. Linked to Goodwin Barsby and Co.
1960s Aveling-Barford continued to prosper in the immediate postwar period, but the 1960s and 1970s were difficult decades for the firm. The workforce was slashed and the company's range of products was dramatically reduced, but Aveling-Barford still survives today as part of Wordsworth Holdings.
1961 Group manufacture road rollers, dumpers, motor graders, calfdozers, trench cutters, shovels, road, quarry, gravel and contractors' plant, diary sterilising and pasteurising equipment, agricultural, horticultural and drainage implements, concrete mixers, and small dumpers.
The records of Aveling-Barford include build records, product catalogues, photographs and engineering plans. Many of the records date from before the 1934 merger and therefore relate to the two constituent companies.
Sources of Information
- The Times, Wednesday, Jun 30, 1937
-  Lincolnshire Archives
- Mining Year Book 1960. Published by Walter E. Skinner. Advert p57
- Steam Engine Builders of Lincolnshire by Ronald H. Clark. Published 1955 by Goose and Son
- 1961 Dun and Bradstreet KBE
- 1937 The Aeroplane Directory of the Aviation and Allied Industries