exceptional antique american "white" adjustable arm wall mount draftsman lamp or light designed and fabricated by the otis c. white company, worcester, mass. the retains the original signed/patented knuckle joint affixed to the original wall-mount bracket. the brass and bronze parts were polished long ago and sealed with a clear coat lacquer. the brass shell socket with paddle switch by general electric socket retains the original rayon cloth chord. the rolled rim parabolic shade is comprised of brass with traces of copper-plated finish evident. the all-brass/bronze configuration is hard to find and highly sought after. the o. c. white company was incorporated in 1895, and began business at 65 beacon street in a very small way with only a few types of adjustable electric light fixtures, under patents originated by dr. otis c. white. during their peak in production the o.c. white company manufactured over one hundred different styles of lighting devices, including a large variety of portable lamps, desk fixtures, desk and table standards, wall brackets, floor portables and other types of fixtures in all finishes for use in business offices, banks, libraries and public buildings of every description, and also a great variety of heavy iron adjustable fixtures for use in machine shops, mills, factories. the company remained for ten years on beacon street and then having outgrown the old quarters, in 1905 removed to the heron street, where they remained for several years.