Sector
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- Details
- Description
- Date Introduced
- 1650 ca.
- Photographer
- Richards, Mark
- Dimensions
- 2 x 9 x 1/4 in.
- Manufacturer
- Elias Allen
- Credit Line
- Courtesy of Gwen and Gordon Bell
- Copyright Owner
- © Mark Richards
- Location
- England
- Keywords
- Analog; Military applications; Hand calculation; Proportional compass
- Object ID
- B176.81
An English-style sector as described by Edmund Gunter in 1623.
