Echo sounding and sonar for fishing.

Ítems similars

• Echo integrator absolute constants put into real numbers /
  per: Ford, J. S.
  Publicat: (1974)
• Shipboard fish scouting and electronavigational equipment /
  per: Averkiev, V. P. (Vladimir Pavlovich)
  Publicat: (1985)
• Echo sounding at sea : (British practice) /
  per: Galway, Henry, Sir, 1859-1949
  Publicat: (1951)
• Acoustic echo-sounding measurements of temperature and wind fluctuations /
  per: Wescott, J. W.
  Publicat: (1970)
• Field guide to the fish of Puget Sound and the Northwest coast /
  per: Somerton, David
  Publicat: (1976)