150 Years of Electric Horology: 1992 NAWCC Chicago Convention Exhibit Edited by Elmer G. Crum and William F. Keller Softcover book detailing the 1992 National Association of Watch and Clock Collectors Chicago convention exhibit, detailing important historical perspective on developments in electric horology, as well as a full catalog of black-and-white photographs of models included in the exhibit. 101 pages
Midwest Electric Horology Group
1992
Midwest Electric Horology Group
Reference