Scale: Not to scale. A sectional model depicting a horizontal scarph keel. The model is made entirely in wood and is stained and varnished. The component parts are annotated by printed paper labels marked 'Horizontal scarph', 'Rabbet' and 'False keel'. The horizontal scarph joint is indicated by black lines and the fastenings are shown on the upper face by two rows of four copper bolts, two of which protrude from the model.