Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 125,714 pages of information and 196,439 images on early companies, their products and the people who designed and built them.
1861 Henry Negretti, 42, optical and meteorological instrument maker employing 13 men and 3 boys, living in Islington with Mary Negretti 33, Mary L Negretti 13, Henry P Negretti 9, Caroline Negretti 6
1881 Optician and export merchant, living in Hampstead with Eliza Negretti 26, Frederica M. Negretti 5 mo
By 1892 was a partner in Negretti and Zambra
1901 Optician and employer, in Worthing with Eliza Negretti 45, Maria Negretti 20, Norman Negretti 3
1911 Optician and export merchant, employer, living in Hampstead with his wife Eliza
1919 Died in Hampstead