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[Early radio tubes.] 1800 photonegative

view [Early radio tubes.] 1800 photonegative digital asset number 1
Publisher:
Underwood & Underwood
Physical description:
Silver gelatin on glass
1 item, 4" x 5"
Type:
Photographs
Date:
1900-1910
Notes:
Currently stored in box 3.1.70 [227A]
Topic:
Radios
Research facilities
Science
Vacuum-tubes
Local number:
RSN 18262
See more items in:
Underwood & Underwood Glass Stereograph Collection 1895-1921
Data Source:
Archives Center - NMAH

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