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Ashburton Guardian, Volume XLV, Issue 10167, 23 July 1924, Page 5

A simple and reliable device for obtaining direct readings of the actual draught of a ship when loading is embodied in the MacGregor-Gillie patent draught gauge. By its means this information is obtained from the deck without having to go over the ship s side to observe the freeboard or draught marks. Another consideration in its favour is that it does not interfere with the construction of the vessel like other devices with a similar object. It consists of a stout unbreakable transparent celluloid tube encased in a brass guard three feet long, with an air outlet at the top and a water valve at the bottom. A short length of flexible tube is attached to the lower end, the open end of which is fitted with a metal plug in which a small hole is drilled to admit water to the gauge. The gauge is lowered over the ship’s side *so that its zero is opposite the Plimsoll mark, and when readings are to be taken the water valve at the bottom can be closed and the apparatus lifted so that its record can be read on deck. The simplicity of the device is thus apparent, and, according to tests made, its accuracy can he relied on.