LINKAGES
Most of the following sites contain a statement purporting that William Thomson (Lord Kelvin) developed the tide predicter. He did not; Edward Roberts did. Thomson did not produce a predicter until 1881.
Working model of Kelvin's idea:- http://www.ams.org/featurecolumn/archive/tidesIII3.html
Edward Roberts 1873b http://www.sciencemuseum.org.uk/objects/oceanography/1876-1129.aspx (note the date and attribution)
William Ferrel 1883 http://americanhistory.si.edu/collections/object.cfm?key=35&objkey=170
Harris/Fischer 1910 http://co-ops.nos.noaa.gov/predma2.html
Heinrich Rauschelbach 1915 http://www.dsm.de/2gezg.htm
Heinrich Rauschelbach 1938 http://co-ops.nos.noaa.gov/predma3.html
E. German 1955 http://www.dsm.de/gez/html/die_vorausberechnung.html
Arthur Doodson/A. Légé Co. 1953 http://www.pol.ac.uk/home/insight/doodsonmachine.html
Kelvin, Bottomley, Baird http://www.kelvinhughes.co.uk/history.htm
Brazil 1910 http://co-ops.nos.noaa.gov/predma3.html
Kelvin 1881 & Rauschelbach 1938 http://www.es.flinders.edu.au/~mattom/science+society/lectures/illustrations/lecture32/tidepredicter.html
Kelvin 1881 & 2nd Brazilian http://www.riototal.com.br/astros/helga2005-10a.htm
KBB Norway 1939 http://vannstand.statkart.no/hist_tilbake.php
KBB France 1950 http://www.shom.fr/fr_page/fr_act_oceano/maree/tidepred.htm#1
Tide Gauge history http://tide.gsi.go.jp/ENGLISH/history.html