The 1929 World Almanac and Book of Facts. Facsimile Edition. American Heritage Press, Workman Publishing Co., Inc., 1971.
L.C. Smith was founded in Syracuse from a shotgun making firm. The company was the first to offer a machine that could print both upper- and lower-case letters. The idea for ball bearings came from a patent for artificial legs, which the Smith brothers bought. Eventually, the company merged with Corona, the leading manufacturer of portable typewriters. The rest, as they say, is history.