Title
D.H. Lehmer "Film" Number SieveCatalog Number
102626138Type
Still imageDescription
B&W image of D.H. Lehmer's Film Number Sieve. Verso: "The Computer Museum The Sieve Process D.H. Lehmer's electromechanical number seive, designed in 1936 to solve complex problems in number theory. Part of on exhibition on "The History of the Sieve Process""Date
1932 ca.Identifying Numbers
Other number | #112 | Verso pencil |