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Air, water and food from a sanitary standpoint / by Ellen H. Richards and Alpheus G. Woodman.Richards, Ellen H. (Ellen Henrietta), 1842-1911Date: , [©1904]
Microscopy: fresh water floscularia ornata. Coloured lithograph by L. Aldous.Reference: 46479i
Hydraulics: diagrams showing water pressure. Engraving by Mutlow, 1810, after J. Farey.Farey, John, 1791-1851Date: 1 April 1813Reference: 45315i
Geography: Niagara Falls, seen from nearby. Coloured lithograph.Date: 1890Reference: 46931i
Hydraulics: two views of the effects of breakwaters on waves. Aquatint by Neeles.Date: 1817Reference: 46890i