Record

RefNoPT/74/7/9
LevelItem
TitleDiagrams, speculum and polishing machine by unknown artist
Date[1840]
DescriptionPlates 20-21, figures 1-9 showing a large speculum and a polishing machine used in Parsons' experiments using his reflecting telescope. Figures drawn separately and pasted onto backing sheet. An ink inscription verso reads 'Lord Oxmantown'. Not signed.

Subject: Scientific Instruments / Astronomy

Published in Philosophical Transactions as part of paper titled 'An account of experiments on the reflecting telescope' by William Parsons.

Received by the Royal Society on 9 May 1840. Read 18 June 1840.
Extent2p
FormatDiagram
PhysicalDescriptionInk and ink wash on card; mounted on paper
Dimensions363x223mm
Digital imagesView item on Science in the Making
AccessStatusOpen
RelatedMaterialDOI: 10.1098/rstl.1840.0023
DOI: 10.1098/rspl.1837.0125
RelatedRecordPT/24/3
Fellows associated with this archive
CodePersonNameDates
NA8084Parsons; William (1800 - 1867); 3rd Earl of Rosse1800 - 1867
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