John Coventry
British scientific instrument maker
About John Coventry
Lived 1735 – 1812 (aged 76–77). John Coventry was an artisan.
John Coventry (1735–1812) was an English producer of scientific instruments. He made a reputation through the accuracy of his instruments.
Life Coventry was born in Southwark. He worked as an assistant to Benjamin Franklin and William Henly on electrical experiments.
He subsequently invented a new hygrometer, more accurate than any which had been previously in use. This instrument was generally employed by chemists and other scientific men of his day. His telescopes were renowned for been accurately adjusted, and the lenses with which they were fitted well ground.
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Important facts
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Frequently asked questions
Who was John Coventry?
British scientific instrument maker
When was John Coventry born?
John Coventry was born in 1735 in Southwark.
When did John Coventry die?
John Coventry died in 1812.
What was John Coventry's occupation?
John Coventry was an artisan.
Sources & further reading
· DBpedia: John Coventry (instrument maker)
Cite this page
APA: Biography.guide. (2026). John Coventry. https://biography.guide/john-coventry-artisan/
MLA: "John Coventry." Biography.guide, https://biography.guide/john-coventry-artisan/.
Chicago: "John Coventry." Biography.guide. https://biography.guide/john-coventry-artisan/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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