by Bertram S. Booth
With the growing interest in model yacht sailing and the increased use of models by designers in tank tests, a simple method for taking off lines should be of interest to many model builders. The following method requires only the simple device shown in the drawing and the usual drawing board and other rudimentary drafting equipment. It is entirely independent of the lifts or laminations; and the waterlines, buttocks and Stations may be spaced at any convenient interval on the drawing. No markings are required on the model and with a little care a very accurate drawing can be made. As both the buttocks and waterlines can be taken off, a check of the work is obtainable. The method is adaptable to either a full or a half model; and, if it is inconvenient, the back board of a half model need not be removed.
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