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Castlemartyr Sundial
 Castlemartyr Market House
Photo courtesy of Brian T. McElherron

The two-storey three-bay Castlemartyr Market House was built by the Hon. Henry Boyle, a prominent Irish politician, c. 1754. He was elevated to the peerage in 1756 as Baron Castlemartyr, Viscount Boyle, Earl of Shannon. One of his ancestors was Charles Boyle, 4th Earl of Orrery, an English nobleman, statesman and patron of the sciences. In 1712, under his patronage, John Rowley created the first mechanical model of the solar system that could demonstrate the proportional motion of the planets around the Sun. The device was named the orrery in the Earl's honour.

 Castlemartyr Sundial
Photo courtesy of Fabian Murphy, Castlemartyr

There is a 1.2 metres high by 1 metre wide (approx.) stone, south facing, vertical sundial in a yellow brick surround, projecting above the roof eaves at the central window. Eroded by the passage of time it still bears the date - 1754 - and traces of the quarter, half and hour lines with Roman numerals marking the hours.

Castlemartyr is 30K east of Cork City along the N25 between the towns of Midleton and Youghal.

Lat 51° 54' 41" North   Long 8° 3' 22" West

Irish Grid   W  196153    073237

If you know the location of a sundial in Ireland (NOT a mass produced DIY Store garden ornament) please email it to me (Click here to email M.J.Harley) - a member of British Sundial Society
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