[William Hammer sitting in his lab, black & white photoprint]
odd: label: Local Numbers
content: AC0069-0000007 (AC scan number)
name: label: Collector
content: Hammer, William J. (William Joseph), 1858-1934 (electrical engineer)
label: Collection Creator
content: Hammer, William J. (William Joseph), 1858-1934 (electrical engineer)
topic: label: Topic
content: Laboratories
label: Topic
content: Light bulbs
label: Topic
content: X-rays
creator: label: Collector
content: Hammer, William J. (William Joseph), 1858-1934 (electrical engineer)
setName: label: See more items in
content: William J. Hammer Collection
label: See more items in
content: William J. Hammer Collection / Series 4: Photographs / 4.1: William J. Hammer Papers / Hammer scientific collection (all aspects)
physdesc: label: Extent
content: 1 Item (Silver albumen? on paper., 10.1" x 13.3")
unitdate: label: Date
content: Circa 1900
container: label: Container
content: Box 94, Folder 3
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 -- 1890-1900 -- Black-and-white photoprints
scopecontent: label: Scope and Contents
content: Lab contains a wide variety of items -- books, light bulbs, x-rays, photographs, recording machines, etc.