Telegraphy
Found in 30 Collections and/or Records:
Committee of Imperial Defence and Cabinet Prints: white papers, 1913 - 1914
Subjects include: supplies in time of war; Canadian defence; measures to prevent blocking of commercial harbours; economic aspects of the Channel Tunnel scheme; the establishment of radio telegraphic communication between inland stations.
Committee of Imperial Defence and Cabinet Prints: white papers, 1914
Subjects include: the Royal Flying Corps; coastal defences; defence of the Humber; the establishment of radiotelegraphic communication between inland stations; overseas attack; the Channel Tunnel scheme; support of customs and excise in the Orkneys, Shetlands and Scilly Islands in time of war; insurance of British shipping in time of war.
Committee of Imperial Defence and Cabinet Prints: white papers, 1913 - 1914
Subjects include: defence of St Helena; military aspects of the Channel Tunnel scheme; co-ordination of departmental action on the outbreak of war; the establishment of radiotelegraphic communication between inland stations; submarine cable communications; telegraphic communications; wireless communication with France; direct wireless communication with Russia; censorship of wireless messages in time of war; ambush mining and blockade mining.
Correspondence on galvanic communications, 1849 - 1853
Correspondence on galvanic signals, 1852 - 1855
Correspondence on galvanic time, 1849 - 1855
Correspondence on galvanic time, 1855 - 1858
Correspondence on the Deal time ball, 1858 - 1863
Correspondence on the day to day running of the time ball at Deal, its telegraphic communications with Greenwich, and the transfer of ownership from the Admiralty to the South Eastern Railway. The correspondents include C.V. Walker, J. Washington and C.E. Paget.
Correspondence on the Deal time ball, 1864 - 1868
Correspondence on the day to day running of the time ball at Deal and its telegraphic communications with Greenwich. There are also papers on the sale of the Deal naval dockyard and time ball; Airy's report on a visit to the Deal Time Ball; instructions and orders for W. Newby, the time ball attendant; and a poster explaining the Deal Time Ball service and the refurbishment of the time ball tower. The correspondents include W.G. Romaine, C.V. Walker and J. Field.
Correspondence on the Deal time ball, 1868 - 1872
Correspondence on the day to day running of the time ball at Deal and its telegraphic communications with Greenwich. There are instructions on cleaning, repairs and failures of current between the Observatory and Deal, and correspondence with W. Newby, the time ball attendant, and with C.V. Walker.
Correspondence on the Deal time ball, 1873 - 1876
Correspondence on the day to day running of the time ball at Deal and its telegraphic communications with Greenwich. There are instructions concerning routine work, repairs and failures of current between the Observatory and Deal, and correspondence with W. Newby, the time ball attendant, and with C.V. Walker.
Correspondence on time signals, 1884 - 1913
Correspondence regarding time signals, 1879 - 1893
Correspondence with telegraph companies, 1860 - 1866
Newspaper cuttings, 1888 - 1889
Cuttings from various newspapers on various subjects, including new telescopes, comets, annual visitations and telegraphs in Australia.
Papers on determining galvanic longitudes, 1852 - 1854
Papers on determining galvanic longitudes, 1858 - 1859
Papers on determining galvanic longitudes, 1878 - 1888
Papers on naval subjects, 1915
Subjects include: shipbuilding figures; wireless policy; squadrons abroad for trade protection; totals of ships sunk by German submarines and losses among German and Turkish submarines; the speed and armaments of German submarines; the need to simplify correspondence between the Admiralty and the dockyards; possible zeppelin attacks on London; steady pressure strategy.
Papers on submarine telegraphs, 1858
Correspondence and papers, some printed, concerning the submarine telegraphs, particularly the Atlantic submarine telegraph. The material includes the original investigations on the deposition of a submarine cable; communications with institutions and magazines; correspondence on the mechanical theory; printed reports; and papers on the galvanic experiments.