Timeline of United States inventions (1890–1945) of these fibers for textile applications is more recent. The first commercial production of fiberglass was in 1936. In 1938, fiberglass was invented by Russell Games Slayter of Owens-Corning. 1938 Xerography Xerography, which means "dry writing" in Greek, is a process of making copies. Xerography makes copies without using ink. In this process, static electricity charges a lighted plate; a plastic powder is applied to the areas of the page to remain white. The photocopier was invented in 1938 by Chester Floyd Carlson who marketed his revolutionary device to about 20 companies before he could interest any. The Haloid Company,
Invented tradition traditions.' But where does his 'adaptability', or his colleague Ranger's 'flexibility' end, and invention begin? Given that all traditions change, is it possible or useful to attempt to discriminate the 'genuine' antiques from the fakes?" Another also praised the high quality of the articles but had qualifications. "Such distinctions" (between invented and authentic traditions) "resolve themselves ultimately into one between the genuine and the spurious, a distinction that may be untenable because all traditions (like all symbolic phenomena) are humanly created ("spurious") rather than naturally given ("genuine")." Invented tradition The invention of tradition is a concept made prominent in the