Zenith sector, British, 1840

Made:: 1840 in London

designer:: George Biddell Airy

Zenith sector designed by Sir George Airy and used on Principal Triangulation from 1842-1850

Details

Category:: Surveying

Object Number:: 1876-1202

type:: zenith sector

credit:: Ordnance Survey

Cite this page

Rights

We encourage the use and reuse of our collection data.

Data in the title, made, maker and details fields are released under Creative Commons Zero

Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence

Using our data

Download

Download catalogue entry as json

Download manifest IIIF

Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.

Zenith sector, British, 1840

Details

Related Objects

Plane table outfit by Benjamin Cole (plane table)

Combined graphometer and plummet clinometer, 1663. (graphometer; clinometer)

‘Trans-Pac’ GPS receiver, 1990-1991 (GPS receiver)

100 Link Steel Surveying Chain, 1784. (surveying chains)

Theodolite used for the Principal Triangulation of Great Britain (geodetic theodolite)

Surveyor's pocket sextant. (surveyor's sextant; pocket sextant)