A late 18th century English brass astronomical table telescope on folding stand by William Harris, 47 High Holborn, London.
The barrel engraved 'J Ramsden, London' in script.
original mahogany box with printed oval label "William Harris / Mathematical, Optical & Philosophical / INSTRUMENT MAKER / No. 47 High Holborn / nearly opposite Chancery Lane / London",
The company business card advertised that they were Manufacturers of Optical, Mathematical and Philosophical instruments “by His Majesty’s Royal Letters Patent”.
Literature: See Gloria Clifton, Directory of British Scientific Instrument Makers 1550-1851, NMM 1995, pp. 125-6, where this maker is recorded at this address in 1805 and at 50 High Holborn by 1815.