Use of subtense board in conjunction with echo sounding in River Tyne area; range and form of board; theoretical errors and considerations; refractive error; sounding errors; particulars of echo sounding launch Lynceus; sextants in use; possible improvements in boat design; sample records.


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    Title :

    Marine surveying at port of Newcastle


    Additional title:

    Dock Harbour Authority


    Contributors:
    McClean, D. (author)

    Published in:

    Publication date :

    1958


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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