Carrothers, P. J. G.  <br/><br/>
Instrumentation for the engineering study of otter trawls 

 - Ottawa :  Fisheries Research Board of Canada,  1968 
 - vii, 45 p. 
 - (Bulletin / Fisheries Research Board of Canada ;   163) .
<br/><br/><label>Contenido:</label><br/>Introduction. -- Warp tensions. -- Warp angles. -- Warp length and trawl depth. -- Towing speed and hydrodynamic pressure. -- General development of underwater instruments elsewhere. -- Trawl mouth dimensions. -- Underwater line tensions. -- Features common to all FRB underwater instruments. -- Conclusions. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PESCA ARTESANAL
<br/><br/><label>Dewey Class. No.: </label>639.2