one of three matching original and largely intact early 20th century craftsman or mission style yellow brass ceiling light fixture designed and fabricated by the r. williamson & company, chicago, il. the combination gas and electric ceiling fixture was salvaged from an old chicago masonic temple. the fixture contains four bent tubular arms with original webster sockets and shade holders. the candelabra style gas lights are positioned upward and originally contained brightly colored cylindrical shaped glass shades concealing the gas pipe. the shades on all three fixtures were removed long ago. the original long stem and ceiling canopy are intact. the nicely aged surface patina has not been touched. the four gasoliers can easily be converted to electric. the craftsman or mission style fixture is free from damage or substantial wear and tear. chicago-based gas and electrolier supplier, r. williamson company, was established in 1882 by richard williamson after seeing the great magnitude and need or demand for lighting fixtures in the city's commercial and residential structures. willliamson first opened a small plant on the far northwest side of the city on chicago on milwaukee avenue. by 1889 he moved his business to 205 randolph steet in what was then the "heart of chicago." in the 1890's r. williamson & company had taken on the rank as one of the leading "lighting fixture" houses in the city. shortly after 1896 they moved to washington street where the factory was given additions as the company was one of the biggest suppliers to all states west of the mississippi river. during their peak in production, the company occupied over 115, 000 sq. feet of factory space populated by more than 500 workers in several various departments. priced individually. measures 18 x 33 inches.