Lingua: Inglese
Editore: GPO, Washington, 1915
Da: Legacy Books II, Louisville, KY, U.S.A.
Soft cover. Condizione: VG. 18pp extract, illustrated, including 12 plates, salvaged from a damaged copy of the Annual Report Of The Board of Regents Of The Smithsonian Institution For The Year Ending June 30, 1914. The current state of commercial lighting and illumination. Housed in protective mylar report cover.