Artifact Details

Title

Delay Line Number Sieve Machine

Catalog Number

X86.82

Type

Physical object

Date

1966

Manufacturer

D. H. Lehmer

Place Manufactured

U.S.

Identifying Numbers

Model number Number Sieve

Dimensions

10 x 6 x 22 (HWD) in.

Description

This is the vacuum tube version of the number sieve machine. It ran at a rate of twenty million counts per second.

Category

Calculator: electronic

Credit

Gift of D. H. Lehmer

Lot Number

X86.82