RT Journal Article T1 Review: Perfect Mechanics: Instrument Makers at the Royal Society of London in the Eighteenth Century, by Richard Sorrenson A1 Jim Bennett YR 2014 VO IS Spring 2014 AB NO ‘le Sieur Ramsden’ is the form quoted by Sorrenson; in fact Hornsby, in his letters to the Duke of Marlborough, consistently uses ‘the Sieur Ramsden’. Royal Astronomical Society MSS, Radcliffe A.2, passim. NO 2 Royal Astronomical Society MSS, Radcliff A.2.48. NO 2 Royal Astronomical Society MSS, Radcliff A.2.48. NO Royal Astronomical Society MSS, Radcliff A.2.138. PB The Science Museum Group SN 2054-5770 LA eng DO 10.15180/140109 UL https://journal.sciencemuseum.ac.uk/article/perfect-mechanics/ WT Science Museum Group Journal OL 30