Showing Records: 1 - 25 of 91
Astronomical methods, 1851 - 1859
Astronomical methods and instruments, 1875 - 1878
Astronomical methods and instruments, 1878 - 1880
Astronomical methods and instruments, 1878 - 1887
Astronomical methods and instruments, 1859 - 1861
Astronomical methods and instruments, 1862 - 1866
Astronomical methods and instruments, 1866 - 1870
Astronomical methods and instruments, 1871 - 1873
Astronomical methods and instruments, 1874 - 1875
Correspondence on new inventions and techniques, as well as trials of existing equipment, including the Greenwich spectroscope (with plans, drawings and suggestions), the transit circle, the altazimuth, the double edge micrometer and others. The correspondents include J.A. Broun, W. Huggins, W.H.M. Christie and W. De La Rue. There are also scales for old micrometers, a water pressure card, sketches for eyepieces and two photographs of a German heliometer.
Correspondence and observations on solar eclipse, 1867 - 1869
Correspondence on geodesy, 1862 - 1868
Correspondence on instruments, 1853 - 1854
Correspondence on instruments, surveys and publications, 1880 - 1929
Correspondence on magnetism and photography, 1862 - 1872
Correspondence on meteorological results, 1875 - 1878
Correspondence on solar eclipse, 1871 - 1874
Correspondence on solar eclipse expeditions, 1870 - 1871
Correspondence on solar photography, 1892 - 1912
Correspondence on standards, 1858 - 1862
Correspondence on standards, 1862 - 1865
Correspondence on standards, 1865 - 1868
Official and general correspondence on standards. The correspondents include Sir J.F.W. Herschel, Sir J. Lefevre, Sir J.W. Lubbock, Professor W.H. Miller, Major General E. Sabine, Lord Wrottesley, W. Airy, W. De La Rue, Admiral Manners and Professor Wackenbath. The volume includes minutes of the first meeting of the Standards Commission; the first report of the Standards Commission; and papers on the decimal system of money.