Two Watermills and an Open Sluice

Jacob van Ruisdael; 2 ft. 2 9/64 in.x 2 ft. 9 7/64 in.; oil on canvas

Laboratory tests on hydraulic models of roller gate stilling basins; final report.

Mode of access: Internet.

Laboratory tests on hydraulic models of submergible tainter gates; final report.

Mode of access: Internet.

Memorandum to chief designing engineer, subject, design of roller gates /

Mode of access: Internet.