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William Cooper
Thomas Haller
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Individual
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Publication of GB189709794ApublicationCriticalpatent/GB189709794A/en
9794. Cooper, W., and Haller, T. April 17. Trawling-gear.-In otter-boards the head and foot ropes E and F are attached at B some distance from the end of the board. The tail-piece A<1> may be cut away at the top and bottom to clear the ropes ; or it may be fixed or adjusted at an angle to the board to act as a rudder.
GB189709794D1897-04-171897-04-17Improvements in or connected with "Otter Boards" for Fish Trawling or the like purposes.
ExpiredGB189709794A
(en)