Methods of Operation
Fish counters can be divided into three principal types: resistive counters, optical counters, and hydroacoustic counters.
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Famous quotes containing the words methods of, methods and/or operation:
“I conceive that the leading characteristic of the nineteenth century has been the rapid growth of the scientific spirit, the consequent application of scientific methods of investigation to all the problems with which the human mind is occupied, and the correlative rejection of traditional beliefs which have proved their incompetence to bear such investigation.”
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“The methods by which a trade union can alone act, are necessarily destructive; its organization is necessarily tyrannical.”
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“You may read any quantity of books, and you may almost as ignorant as you were at starting, if you don’t have, at the back of your minds, the change for words in definite images which can only be acquired through the operation of your observing faculties on the phenomena of nature.”
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