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NEW SYSTEM OF ELECTRIC CLOCKS
作者
Louis H. Spellier
出版Wentworth Press, 2016-08-29
ISBN
1373362235 / 9781373362230
主題
History
The Poughkeepsie Bridge
作者
American Chrome Company, New York / Frederic Tudor / Harvard College Observatory / Louis H. Spellier / New Rochelle Water Company, New Rochelle, N. Y. / Poughkeepsie Bridge Company / Thomas Gilpin / Thomson-Houston Electric Company
出版1843
ISBN
LCCN:a23002021
主題
Clocks and watches, Electric