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Dallmeyer, John Henry, 1830 - 1883 (optician)


Found in 5 Collections and/or Records:


Correspondence on transit of Venus, 1880

Reference Code: GBR/0180/RGO 6/283
Scope and Contents Correspondence relating to the transit of Venus, 1882. The correspondents include W. Spottiswoode, J.R. Hind, A. d'Abbadie, J.C. Adams, W. De La Rue, Maxwell Hall, Sir D. Gill, G. Forbes and J.H. Dallmeyer. Included amongst the correspondence are printed papers on instructions to observers; minutes of the meetings of the Transit of Venus Executive Committee; a Report of the Committee; a paper on Airy's Double-Image Micrometer; and newspaper cuttings on the transit of Venus and expeditions....
Dates: 1880

Correspondence with tradesmen, 1873

Reference Code: GBR/0180/RGO 6/751
Scope and Contents

Correspondence with tradesmen, including letters from instrument makers; booksellers; bookbinders; and ironmongers. The correspondents include W.R. Birt and J.H. Dallmeyer. The volume contain a catalogue titled 'John Browning's Price List of Spectroscopes'. There is also a prospectus, in German, advertising the second German North Polar expedition, containing six plates showing various aspects of the expedition.

Dates: 1873

Miscellaneous scientific papers, 1878 - 1879

Reference Code: GBR/0180/RGO 6/490
Scope and Contents Miscellaneous articles on scientific matters, including a paper by E.M. Peligot believed to be concerning Mars; a catalogue of electrical instruments; J.C. Ward on the geology of the Lake District; examinations of Navy telescopes; plans and dimensions for telescopes; A. Krank's improved manufacture of parabolical reflectors; 'Colour correction of achromatic telescopes' by W. Harkness; 'Testing of object-glasses' by G.W. Royston-Pigott; an article titled 'Lights, beacons, and buoys', from...
Dates: 1878 - 1879

Papers on exhibitions, lectures and inquiries, 1875 - 1880

Reference Code: GBR/0180/RGO 6/445
Scope and Contents Correspondence and papers on exhibitions, lectures and inquiries. There is material concerning an exhibition of scientific apparatus at South Kensington Museum, with a layout of the Museum; a certificate for loaning instruments; regulations for exhibitors of the Brussels International Exhibition; an inquiry into the Meteorological Committee; a proposed Physical Observatory; the award of the Albert medal to Airy; a proposed science museum; Airy's lecture on 'the interior of the Earth at...
Dates: 1875 - 1880

Papers on photography and astronomy, 1876 - 1878

Reference Code: GBR/0180/RGO 6/489
Scope and Contents Miscellaneous scientific works concerned with the appliance of photography to astronomy, including tables for the conversion of millionths of an atmosphere to millibars; a paper by R. Applegarth on the feasibility of public street lighting by electricity; a report on the extension of ocean telegraphs in South Australia; articles on the earthquake of 28 January 1878; inspection of Navy telescopes; notes on lamps for lighthouses; inequalities of angles of incidence and reflection illustrated...
Dates: 1876 - 1878

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