Elton's quadrant
id:
elton-s-quadrant-198-560518
title:
Elton's quadrant
text:
An Elton's quadrant is a derivative of the Davis quadrant. It adds an index arm and artificial horizon to the instrument, and was invented by English sea captain John Elton, who patented his design in 1728 and published details of the instrument in the Philosophical Transactions of the Royal Society in 1732.
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Elton%27s_quadrant
date created:
date modified:
2024-02-12T15:47:49Z
main entity:
{"identifier":"Q5367822","url":"https://www.wikidata.org/entity/Q5367822"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/f/fd/John_Vanderbank_%281694-1739%29_-_A_Merchant_Captain_with_Elton%27s_Quadrant_-_BHC3128_-_Royal_Museums_Greenwich.jpg","width":994,"height":1200}
fields total:
13
integrity:
14