Binnacle with correctors for quadrantal semicircular and heeling errors

Made:
1876-1879 in Glasgow
maker:
James White
patentee:
William Baron Kelvin Thomson

Binnacle with correctors for quadrantal semicircular and heeling errors, azimuth mirror used to take bearings from compass by raising the line of sight, azimuth mirror component, and key for compass binnacle, patented by William Thomson, and made by James White, Glasgow, Scotland, 1876-1879

Details

Category:
Navigation
Object Number:
1879-33
type:
binnacle
credit:
University of Glasgow

Parts

Binnacle with correctors for quadrantal semicircular and heeling errors

Binnacle with correctors for quadrantal semicircular and heeling errors

Binnacle with correctors for quadrantal semicircular and heeling errors, patented by William Thomson, and made by James White, Glasgow, Scotland, 1876-1879

Azimuth mirror used to take bearings from compass by raising the line of sight

Azimuth mirror used to take bearings from compass by raising the line of sight

Azimuth mirror used to take bearings from compass by raising the line of sight, patented by William Thomson, and made by James White, Glasgow, Scotland, 1876-1879

Materials:
brass (copper, zinc alloy) , steel (metal) and glass
Object Number:
1879-33/2
type:
instrument