Artifact Details

Title

Lehmer - Gears Sieve

Catalog Number

102626134

Type

Still image

Photographer

Richard Bonifield

Identifying Numbers

Other number #18 Verso pencil
Other number #98 Verso pencil
Other number 3 Verso pencil

Dimensions

overall: 10 in x 8 in

Copyright Holder

Richard Bonifield

Description

B&W image of D.H. Lehmer's gear sieve. It has a motor with a pulley and belt to drive the gears. The gears are mounted within a steel "cage".
Verso: White paper label " Lehmer Number Sieve PhotoCredit Richard Bonifield" White Paper label: Please return to: The Computer Museum Photographic archives Museum Wharf 300 Congress Street Boston, MA 02210" Partially obscured by acession label in red ink : c: Master Index b-4 018"

Category

Photograph

Lot Number

X7413.2015