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) .
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.