Hyde, Edward P. Dept. of Commerce and Labor, Bureau of Standards, On the Theory of the Matthews and the Russell Leonard Photometers for the Measurement of Mean Spherical and Mean Hemispherical Intensities
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: 1905
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: Reprints from Bulletin No. 2, Bureau of Standards