Publisher's Synopsis
Excerpt from Rules for the Inspection and Measurement of Timber, for the Navy of the United States
All frame or other timber cut to moulds, or got out by diagrams, must be six inches longer at each end than the moulds, or diagrams; and two inches larger each way than the net siding and moulding. The moulds and bevellings are to be applied to each piece by the Inspector.
Keelson pieces may be got out in pairs, or two pieces in one, with an allowance of two inches the siding way, and six inches the mould ing way. The allowance of six inches in the moulding size is for the purpose of taking out the pith or centre of the tree. They may have a fair curve of from 10 to 14 inches one way, but they must be lined straight the siding way. Or they may be got in single pieces, with the centre or pith taken out before offered for inspection. In all cases, to be the dimensions called for in the contract.
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