Observatory roof John Smeaton
Product images of Observatory roof
Plan view of the cap structure, part-rolled off [left as viewed], and the rolling ring [right] of the observatory roof at Thorley Hall, Hertfordshire, with detail of the rolling ring joints [bottom]. In a scale of 1:18 inches per foot.
Signed and dated in the bottom right corner.
Original drawing from Designs by the late John Smeaton made on various occasions in the course of his employment as a Civil Engineer from the year 175[?] to 179[?], Volume 4. Containing Designs for Bridges and Buildings. Collected and arranged by John Farey, 1821.
John Smeaton (1724-1792) was a British civil engineer, he was elected a Fellow of the Royal Society in 1753.
John Farey (1766-1826) was a British geologist and surveyor, he worked on the published reports of John Smeaton’s work between 1809 and 1812.
- Image reference: RS-17823
- ©The Royal Society
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