The Technique of FURNITURE MAKING

MOVEMENT AND SHRINKAGE

Sound jointing techniques upon which the stiff­ness, appearance and general usefulness of furniture depend must take into account the natural movement of wood, and its propensity to shrink, swell and warp under fluctuating

MOVEMENT AND SHRINKAGE

13 Measuring moisture content

atmospheric conditions. It is, therefore, vitally important that the woodworker should under­stand exactly what kind of structural material it is which ceaselessly moves in sympathy with its surroundings, and what precautions he can usefully adopt to minimize that movement. Surface protection with paint, polish or even metal coatings may conceivably delay the natural process but can never entirely arrest it; and it is not generally realized that while age itself may exercise a certain restraining influence, no matter how old the wood may be, the innate tendencies will continue to persist throughout its effective life.

MOVEMENT AND SHRINKAGE

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The Technique of FURNITURE MAKING

ESTIMATING THE COST OF MAN-HOURS IN HANDWORK

Where no previous records are available the proprietor must assess his own capabilities and those of his employees. Common joinery items are usually in softwood of fairly large dimensions, with …

Costs of man-hours

The total cost of man-hours at the rates paid, plus overtime rates where applicable, plus health insurance, pensions, paid holidays, etc. have to be considered. Here again these may be …

Appendix: Costing and estimating

Costing is the pricing of completed work taking into account not only all the direct expenses— materials, wages and insurances, fuel and power, machining costs, workshop expenses, etc.—but also a …

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