Thomas A Edison (1847-1931), US scientist and inventor on a visit to the General Electric Research Laboratory in Schenectady, New York in 1914. Dr William Coolidge explains, assistant director, explains how tungsten is made by means of the apparatus in the foreground.
| px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TOP18418841
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
No
Property Release:
No
Right to Privacy:
No
Same folder images:
Loading