Title
Lehmer - Gears SieveCatalog Number
102626134Type
Still imageDescription
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"
Photographer
Richard BonifieldIdentifying Numbers
Other number | #18 | Verso pencil |
Other number | #98 | Verso pencil |
Other number | 3 | Verso pencil |