1912 Olympic Games Official Report Part 2

When a boat is to be measured, it shall be laid bottom upwards, with theapparatus placed over the middle rib. The vertical arm is then pushed so faralong the bar as to touch the sides of the boat, at the water-line. The distanceis measured on the bar between the vertical arms, and if, for example, this distancefor a four-oared boat is at least 0.78 metre, the boat holds the measurement; ifthe distance is less, it is not up to the standard.Apparatus for measuring a Four-oared Inrigger.The length shall be measured in a straight line between the extreme ends ofof the stem and the stern.The depth shall be measured inwards, from the deepest point of the keel to thedeepest part of the boat, and perpendicularly up to a line through the upper edgesof the uppermost boards.The width shall be measured between the outer edges of the uppermost boardson the widest part of the boat.The width at the water-line shall be measured outwards on the middle rib andat a height of 12 11/a /2 centimetres above the lowest board.The boat shall have an outward keel which, in every cross-section, shall reach atleast 1 centimetre below the lowest edge of the lowest board.The weight of the boat is reckoned exclusive of the oars, but inclusive of allother equipment of the boat.The position of the rowlocks or the axle of the movable rowlock may not bemore than 3 centimetres outside the outer edge of the upper board, and the measurementshall be made straight out from the place where the rowlock is fixed.1054