Artifact Details

Title

Special purpose slide rule (nomogram) for 155mm howitzer guns (3 pieces)

Catalog Number

102627818

Type

Physical object

Identifying Numbers

Other number 155AH3HEMI07

Dimensions

1/2 x 18 x 4 1/2 in.

Description

Three slide rules (more properly called nomograms because, although they have a cursor, they don't actually have a sliding scale) used for aiming howitzer guns. Scales on both sides of each of the three devices for different charges (charges 1,3,4,5,6,7).

Category

Pre-computer/slide rule