Observatory roof John Smeaton
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Observatory roof
Plan view of the frame and fixed ring of the observatory roof at Thorley Hall, Hertfordshire. The fixed ring forms the base structure on to which the rib structure of the cap is erected.
Signed in the bottom right corner and inscribed: ‘Plan of the Frame and fixed Ring for the Roof of an Observatory Erected at Thorley Hall in Hertfordshire for Matthew Raper Esqre in the year 1753’.
Inscribed later by John Farey: ‘These are amongst the earlies of Mr. Smeaton’s designs, See 15’
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-17820
- ©The Royal Society
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