Martin Boyd, Harbourmaster
Martin Boyd designed and patented an Automatic Tide Marker Station (ATMS) on 7 May 1903. The introduction to his application for a patent for this ATMS, states that it is to be an apparatus for automatically signalling the depth of water at harbours, docks, piers, navigable channels or the like. A postcard of 1906 shows him standing in front of his tower.
Read more about this topic: Boyd's Automatic Tide Signalling Apparatus
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