Artifact Details

Title

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

Catalog Number

102627818

Type

Physical object

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).

Identifying Numbers

Other number 155AH3HEMI07

Dimensions

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

Category

Pre-computer/slide rule