John Dollond


john dollond

British maker of optical and astronomical instruments who developed an achromatic (non-colour-distorting) refracting telescope and a practical heliometer, a telescope used to measure the Sun's diameter and the angles between celestial bodies.

Learn more about Dollond, John with a free trial on

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source
Previous Definition: john doe, jane doe
Next Definition: john donald budge
Words Near: john dollond
More from
Synonyms and Antonyms for john dollond
More from
Search for articles containing john dollond
More from Translator Word FAQs presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature