Hyde, Edward P., and H.B. Brooks, An Efficiency Meter for Electric Incandescent Lamps, Dept. of Commerce and Labor, Bureau of Standards, Reprint No. 30
name: label: Collection Creator
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 3: Reference Materials / 3.4: Incandescent Lighting Material / Identified Articles
unitdate: label: Date
content: 1906
container: label: Container
content: Box 46, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: From Bulletin of the Bureau of Standards, vol. 2, no. 1. 1906