Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 460
steps. In some cases a rollor incline, like that given in theCroton dam, is extended to the bedof the stream, and continued by anapron. The water thus rolls orslides down, and takes a direction,as it leaves the apron, parallel withthat of the bed of the stream. But fig. io48. care must be taken to…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
