. Commercial fisheries review. Fisheries; Fish trade. This measuring board can be built by al- most anyone handy with tools (see List of Materials and fig.). The entire board (exclud- ing metal parts) is covered with polyester resin to reduce wear and wood deterioration from the action of sand and salt water during use. A light application of grease on the rails is necessary for smooth action of the carriage; the only other maintenance required is to re- place the meter stick after the markings be- come unreadable. The Materials Needed 1. One piece of |" plywood, 4-j|-"x7|", for
. Commercial fisheries review. Fisheries; Fish trade. This measuring board can be built by al- most anyone handy with tools (see List of Materials and fig.). The entire board (exclud- ing metal parts) is covered with polyester resin to reduce wear and wood deterioration from the action of sand and salt water during use. A light application of grease on the rails is necessary for smooth action of the carriage; the only other maintenance required is to re- place the meter stick after the markings be- come unreadable. The Materials Needed 1. One piece of |" plywood, 4-j|-"x7|", for the end plate. 2. One piece of 2"x8"x2l" clear white pine beveled for the bed of the measuring board. 3. One meter stick recessed and secured by small finish nails into the top of the board. V'\ \m 111111 1111111 I I I I I I I I I I I I I 11 M I I I I M I I i I I I I I I -. kv-'v. Sketch of measuring board used during surf clam surveys aboard the BCF research vessel "Delaware" ?Fishery Biologist, Exploratory Fishing and Gear Research Base, BCF, Gloucester, Mass. Note: This is Equipment Note No. 20. U. S. DEPARTMENT OF THE INTERIOR Fish and Wildlife Service Sep. No. 789. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. National Marine Fisheries Service; U. S. Fish and Wildlife Service; United States. Bureau of Commericial Fisheries. [Washington] : National Marine Fisheries Service; [for sale by the Supt. of Docs. , U. S. Govt. Print. Off. ]
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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookcentury1900, booksubjectfisheries, booksubjectfishtrade
