Traded earlier as part of Newton & Co. making electrical scientific apparatus at 3 Fleet St., Temple Bar, separate company formed 1910/12. Traded at 3 Fleet St. (1912), 72 Wigmore St. (1914) & 471/3 Hornsey Rd. N19 (1926-32), all London, England. Taken over by Newton Photographic Services Ltd (1950s)?