alb9097123

George Morrison on the left, manager of the General Electric Works, and Thomas Alva Edison with Dr. Irving Langmuir, examining vacuum tube in research laboratory 1922.

George Morrison on the left, manager of the General Electric Works, and Thomas Alva Edison with Dr. Irving Langmuir, examining vacuum tube in research laboratory 1922.
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Caption:
George Morrison on the left, manager of the General Electric Works, and Thomas Alva Edison with Dr. Irving Langmuir, examining vacuum tube in research laboratory 1922.
Credit:
Album / TopFoto
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Image size:
3163 x 3634 px | 32.9 MB
Print size:
26.8 x 30.8 cm | 10.5 x 12.1 in (300 dpi)