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Sundial gnomon

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from Fullarton, Ayrshire

Postcard of Sundial gnomon.
000-190-004-193-C
© National Museums Scotland

Sundial gnomon

The sundial gnomon is the part of the sundial which casts its shadow over the dial, with its edge set at the angle of the particular latitude for which it has been constructed. This example was designed around 1744 by William Fullarton of Fullarton House near Troon, in Ayrshire. It was probably made by Robert Craig a local clockmaker.

The entire gnomon is covered with various tables on both sides. This side shows the designer's and the maker's names at the top, with tables for: 'THE TIME OF SUNSETTING DAILLY'; 'PERIODS OF THE SATELL: AND DIST: IN 1/2 DI: OF THE PLAN'; 'NEW MOONS BY THE EPACTS AND GOLDEN NUMBER'; 'MAGNITUD: PERIODS DISTANCES OF THE PLANETS'; and 'THE LATITUDES OF PLACES AND DIFFERENCE OF THEIR MERIDIANS FROM LONDON...'

William Fullarton was making alterations to his country house in 1744 and presumably this is when he ordered the constructing of his sundial from Robert Craig. Fullarton House has now been demolished.


Record details

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Online ID: 000-190-004-193-C
Image Rights Holder: National Museums Scotland
Project: 0098: National Museums Scotland
Project description | View all records in project
Ref: National Museums Scotland  T.1988.18
Date: Around 1744
c. 1744
Material: Brass. Inscription: G; Fullerton Designant et Soli fulgenti Consecravit Anno 1744; R. Craig [?] S[?] Execu; Poles elevatio 55D 3CM / Equat.
Dimensions: 490 mm x 315 mm x 30 mm
What:
Subject:
Who: Fullerton (Inscribed on the sundial)
R. Craig (Inscribed on the sundial)
Robert Craig, Scotland (Maker)
William Fullarton, Fullarton House, Fullarton, Ayrshire (Designer)
Where: Scotland
Scotland, Ayrshire, Fullarton
Event:
Description: Brass sundial gnomon designed by William Fullarton, Ayrshire, made by Robert Craig, Scotland, c. 1744
References:
  • For William Fullarton, see Emerson, Roger L., 'The Philosophical Society of Edinburgh 1737-1747', British Journal for the History of Science, 12 (1979), pp 154-191. 
  • Ian M. Mackintosh, Old Troon and District: an Historical Account 2nd edition (Edinburgh, 1972), p 21 
  • Stevenson, W.B., 'Sundials of Six Scottish Counties, near Glasgow', Transactions of the Glasgow Archaeological Society, new series 11 (1937-40), pp 233-5 
Translations:
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