Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,127 pages of information and 223,036 images on early companies, their products and the people who designed and built them.
ATS was the nephew in G. Scammell and Nephew
1851 He is aged 1 and living with his parents Thomas (a Miller) and Sara W. at Stalbridge. 
1861 He is aged 11 and living with his parents Thomas (a Miller) and Sarah W. at Stalbridge. 
Alfred had son Alfred George Scammell born in 1879
1881 In the census he is aged 31 and is a coach and van builder employing about 70 men 
1901 He is aged 41, living in Hampstead and listed as a van builder (Employer) with his wife Mary and son (Allan G) and daughter (Florence). 
These were the founders of Scammell