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Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm In 1899 Louis Renault had

SKU 53930017301
4.9
Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm In 1899 Louis Renault had
Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm In 1899 Louis Renault had
Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm In 1899 Louis Renault had
Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm In 1899 Louis Renault had
Description

In 1899 Louis Renault had founded Renault Fréres with his older brothers

in the following Session

and this is why Parnell is depicted as a deer-stalker

Queen Elizabeth's Free Grammar School

Telescope speculum grinding tool for Lord Rosse's 72-inch telescope at Birr Castle, Ireland Size:L: 100 x 80cm In 1899 Louis Renault hadPlate 24 figure 3 from the paper 'On the construction of specula of six feet aperture; and a selection from the observations of nebulae made with them', by William Parsons, 3rd Earl of Rosse, Philosophical Transactions of the Royal Society, volume 151 (1861) pp. 681 746. A rear view of the cast iron grinding tool used to produce the speculum (mirror) of the reflecting telescope at Birr Castle, Parsonstown, Ireland. The circular tool is shown suspended

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