active, 1812-1856, optical, mathematical, philosophical & nautical inst. maker & optician, British

Traded at, 11 Windmill Row Camberwell, London (1807), Lisle St. Leicester Sq., London (1812-17), & 7 Lisle St. (1817), 8 Lisle St. (1822) & 122 Regent St. (1827-56), instruments signed both J & I Newman. Succeeded by Newman & Sons