Calculation Books and Sheets
name: label: Collection Creator
content: McIntosh, Seymour and Company
setName: label: See more items in
content: McIntosh, Seymour and Company Records
unitdate: label: Date
content: 1903 - 1915
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0985, Series 5
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents
content: This series consists of calculation books maintained by engineers working on engine designs.  The books are bound, paginated, and signed and dated. The books are arranged numerically and in some instances, have a specific title such as valve gears.