Reference numberEC/1883/11
TitleGrubb, Sir Howard: certificate of election to the Royal Society
CitationHoward Grubb
Construction of Large Telescopes - one the largest Achromatic at present in existence (27 1/4 inches aperture & of admirable definition) - of cheap but effective instruments designed to popularize practical Astronomy - Revolving domes of great strength & mobility, one 45 feet Diameter weighing 16 tons & movable by force of only 7 pounds by hand of Observer. Improvements in construction of large Equatoreals, some of which are new antifrictional appliances. Illumination & reading of all the circles from eye end of Telescope - Adjustment of Equatoreal clocks to exact time by the control of an auxiliary Electric pendulum. Improvements in Micrometers &c. Author of papers on Astronomical instruments. Cunningham Gold medalist of R Irish Academy.
ProposersFrom General Knowledge: J R Hind; Fredj Jno Evans; J Ball
From Personal Knowledge: T R Robinson; Robert S Ball; G Johnstone Stoney; Henry J S Smith; Charles Pritchard; Warren De La Rue; Bartholomew Price; A Cayley; J C Adams; E J Stone; J Tyndall; R B Clifton; G B Airy; Crawford and Balcarres; Rosse; W J Smythe; W H M Christie; E Dunkin; Balfour Stewart; James Dewar; Benj Williamson
Extent1 sheet
Access statusOpen

Grubb, Sir Howard: certificate of election to the Royal Society

Fellows associated with this archive
NA8229Grubb; Sir; Howard (1844 - 1931)1844 - 1931
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