Download or read book Finding Fish with Echo-sounders written by J. Burczynski and published by Food & Agriculture Org.. This book was released on 1985 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This booklet is for small-scale fisherman. It explains how an echo-sounder can improve fishing by suppling information on water depth, presence of fish and sea bottom conditions. It describes how an echo-sounder works, with examples of installation, operation and maintenance."--Page [4] of cover.