Artifact Details

Title

AO 49 Class Draft Computer

Catalog Number

X2298.2002

Type

Physical object

Manufacturer

American Hydromath Co.

Place Manufactured

U.S.

Identifying Numbers

Other number BU SHIPS STOCK NO. S18-C-1756-1300
Other number CONTRACT NObs 50536
Other number DWG. NO. 45-8
Serial number 162

Dimensions

1 5/8 x 13 x 15 in.

Description

AO 49 Class Draft Computer consists of square metal box with carrying handle on the top and a series dials for adjusting numbers seen through small square windows in a diagram of a ship. Below is a large rectangular metal pad. Knobs labeled "LIGHTSHIP | ADJUSTMENT" are above windows labeled "AFT" on the left and "FOR'D" on the right side. Manufactured for "Naval Department Bureau of Ships".

Category

Calculator: mechanical

Lot Number

X2298.2002