Exercises in Wood-working: With a Short Treatise on Wood; Written for Manual Training Classes in Schools and Colleges |
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Page 5
... Decay of trees Season for cutting . Milling . • Drying of wood Warping Properties of wood Defects in wood Measure and value of wood Kinds of wood · Table of chief qualities of wood Wood and iron Wood - working trades Parasitic plants ...
... Decay of trees Season for cutting . Milling . • Drying of wood Warping Properties of wood Defects in wood Measure and value of wood Kinds of wood · Table of chief qualities of wood Wood and iron Wood - working trades Parasitic plants ...
Page 20
... DECAY OF TREES . As long as a tree is in a healthy condition , its top or crown retains its small branches , but when these refuse to send forth leaves , and break off , it is a sign of decay , and the tree should be cut down and put to ...
... DECAY OF TREES . As long as a tree is in a healthy condition , its top or crown retains its small branches , but when these refuse to send forth leaves , and break off , it is a sign of decay , and the tree should be cut down and put to ...
Page 21
... decay . In the drier summer months and in winter the growing and conducting cells are less active or altogeth- er dormant , and better wood may be secured if cut during those times of the year . Oak is said to be more durable if cut ...
... decay . In the drier summer months and in winter the growing and conducting cells are less active or altogeth- er dormant , and better wood may be secured if cut during those times of the year . Oak is said to be more durable if cut ...
Page 28
... decay . Resin - pockets are spaces between the annual rings of pine timber , filled completely or in part with resin . These slightly weaken the board , and if used in any portion of a building exposed to the warmth of the sun , will ...
... decay . Resin - pockets are spaces between the annual rings of pine timber , filled completely or in part with resin . These slightly weaken the board , and if used in any portion of a building exposed to the warmth of the sun , will ...
Page 29
... Decay . Of all the defects in wood , decay or rot is at once the most prevalent and disastrous to the strength and use- fulness of the material , and , when begun , will continue until the whole of the wood is consumed . Defects in ...
... Decay . Of all the defects in wood , decay or rot is at once the most prevalent and disastrous to the strength and use- fulness of the material , and , when begun , will continue until the whole of the wood is consumed . Defects in ...
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Common terms and phrases
adjusted angle annual rings balusters bending bevel block boring bottom branches bundles cabinet-work cells cellulose chamfer chisel color cube decay dovetails dowels durable Exercise face face-edge fastened fibers finished flat frame fungi fungus furniture gauge gives glue glued gouge grain groove growth grub hand-screw hard wood heart-wood heavy hinge hold holes inch insects iron joinery joint joists kerf labrum length lignin lines logs lumber mark measures medullary rays mitered molding mortise mortise and tenon mortise-piece mycelium nails oblique paint palm palpus pared pencil pine pins plane Plate Polypore portion position rabbet rip-saw riser sand-paper sap-wood sash screws shape shown in Fig shows side smooth smoothing-plane soft spoke-shave spores square steel square stem straight studs surface teeth tenon thick thin timber tree try-square and knife turpentine varnish veneers vessels vise warp wedge wide wood-cells wood-working
Popular passages
Page 10 - ... most essential to the wood-worker's success and the good execution of his work, and of directions for the use of his tools and for manipulation. These facts and directions are given in a simple, concise style, intelligible to any pupil of ordinary sense. The book deals particularly with carpentry and joinery, and is divided into two parts. The first part treats of the structure, properties, and kinds of wood ; its manufactures and economic relations to other substances ; parasitic plants and...
Page 7 - ... the mind is to be aided in its development by the action of the eye and hand. " The prime object of all manual training is to aid mental development.
Page 96 - The results showed that approximately even stress distribution in the slab was obtained at a distance from the end equal to the width of the...
Page 23 - As the wood loses its water it shrinks perceptibly, much more in the direction of the annual rings than in the direction of the medullary rays, and very little, if at all, in the direction of the fibers.
Page 3 - The exercises now printed were prepared during iSix for the College of the City of New York. Subsequent teaching suggested many changes and additions, and the results have been used in other schools. Mr.