Loose leaf data sheets
name: label: Collection Creator
content: Brown, Bernis B., 1888-1960
setName: label: See more items in
content: Bernis B. Brown Collection
label: See more items in
content: Bernis B. Brown Collection / Series 4: Writings
unitdate: label: Date
content: 1920s-1942
container: label: Container
content: Box 5, Box 4
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents
content: Includes a small notebook of Lefax Leaf and Facts, a pocket-size system of loose-leaf data  sheets relating to mathematical symbols, pipe and water design, power and velocity and excavation tables.  Also included is a postcard of the New Entrance Hotel, Mammoth Cave, 1927.