94 articles on hydrodynamics, most of them offprints, accompanied by a typescript list which has been attached to this catalogue record. Four articles are from the pre-publication stage, but the only one bearing annotations is a corrected copy of an article (item 3, "The flow under gravity of an incompressible and inviscid fluid through a constriction in a horizontal channel" in the Proceedings of the Royal Society, 1937). Another article, an Advance copy, has a photograph of a device for a pipe line laid in loose: item 22, "Protective Air Vessels for Rising Pipe Lines" for The Institution of Mechanical Engineers. One proof is a Confidential report for the Aeronautical Research Committee in 1929 (item 2, "The Influence of Oxygen on Corrosion Fatigue"). Two of the items are represented by the original journal in which they appeared (item 11, Journal of the Institution of Civil Engineers No. 3, 1940-41; and item 17, The Structural Engineer Vol. XX, Number 7, July 1942). One offprint listed on the accompanying typescript list is an article by Binnie, but the item itself is an article from later in the same journal, T. Brooke Benjamin's "Wave formation in laminar flow down an inclined plane" rather than Binnie's "Experiments on the onset of wave formation on a film of water flowing down a vertical plane" in the Journal of Fluid Mechanics, Vol. 2, Part 6, Aug.1957.