Artifact Details

Title

Sector

Catalog Number

B176.81

Type

Physical object

Date

ca. 1600

Manufacturer

Elias Allen

Place Manufactured

England

Dimensions

2 x 9 x 1/4 in.

Description

Brass sector, slightly larger than usual, plain metal plate (with small hole in it) at the end of the arm which fits into the other arm when it is closed.

Category

Pre-computer/sector

Subject

Proportional compass; Hand calculation; Military applications; Analog

Collection Title

Gwen Bell artifact and book collection

Series Title

Pre-computing artifacts

Credit

Gift of Gwen and C. Gordon Bell

Lot Number

X6288.2012