[Early radio tubes.] 1800 photonegative
odd: label: Local Numbers
content: RSN 18262
label: General
content: Currently stored in box 3.1.70 [227A]
label: Copy and Version Identification Note
content: A-14
name: label: Publisher
content: Underwood & Underwood
label: Collection Creator
content: Underwood & Underwood
topic: label: Topic
content: Radio -- Receivers and reception
label: Topic
content: Research facilities
label: Topic
content: Science
label: Topic
content: Vacuum-tubes
creator: label: Publisher
content: Underwood & Underwood
setName: label: See more items in
content: Underwood & Underwood Glass Stereograph Collection
label: See more items in
content: Underwood & Underwood Glass Stereograph Collection / Series 3: Underwood & Underwood glass plates / 3.1: Underwood and Underwood Negatives / RSN Numbers 18165-18288
physdesc: label: Extent
content: 1 Item (4" x 5")
phystech: label: Medium
content: Silver gelatin on glass.
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Photographs
genre_format: label: Genre/Form
content: Photographs -- 1900-1910 -- Black-and-white negatives -- Glass