Illustrated account of the mercury-vapor high-power electric lights exhibited at Columbia University, at the conversazione of the Am. Inst. of Elect. Engrs. (1000 w.)
The cooper Hewitt lamp
Sci Am
1901
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Online Contents | 2009
|Engineering Index Backfile | 1920
|Hewitt Refractories chooses BP Gas
British Library Online Contents | 1997
Hewitt uncovers an eight-cylinder creation
Engineering Index Backfile | 1907