The Pattern Maker's Assistant; Embracing ... Practical Gear Construction: The Preparation & Use of Tools ... with a Large Collection of Useful & Valuable Tables1877 - Patternmaking - 324 pages |
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Page x
... holes , 272 66 Taps for Machine Screws , 272 66 Iron Washers , 273 66 Iron Wire Rope , 273 Tables of Diameters , Circumferences , and Scale of Equal Squares , ยท 274 Tables of Squares , Cubes , Square Roots and Cube Roots of Numbers ...
... holes , 272 66 Taps for Machine Screws , 272 66 Iron Washers , 273 66 Iron Wire Rope , 273 Tables of Diameters , Circumferences , and Scale of Equal Squares , ยท 274 Tables of Squares , Cubes , Square Roots and Cube Roots of Numbers ...
Page 41
... holes , compasses are too cumbersome for fine work , and spring dividers are preferable . A recent improvement in these tools consists in making the spring helical , as shown in Fig . 20 , instead of making it broad , flat , and thin ...
... holes , compasses are too cumbersome for fine work , and spring dividers are preferable . A recent improvement in these tools consists in making the spring helical , as shown in Fig . 20 , instead of making it broad , flat , and thin ...
Page 44
... hole is then drilled up the turned end of each , into which brad- awls of large size are driven ; they are then pointed on a grindstone . The wedges are made with a gib head on the small end , so as to prevent them from flying out when ...
... hole is then drilled up the turned end of each , into which brad- awls of large size are driven ; they are then pointed on a grindstone . The wedges are made with a gib head on the small end , so as to prevent them from flying out when ...
Page 52
... hole in its center ; but it is still not perfect , because the workman , in slacking it off , gives the wheel a twist ; and while his attention is absorbed int the intricacy of his work , the momentum of the rim of the wheel has kept it ...
... hole in its center ; but it is still not perfect , because the workman , in slacking it off , gives the wheel a twist ; and while his attention is absorbed int the intricacy of his work , the momentum of the rim of the wheel has kept it ...
Page 54
... hole re- ferred to should be as large as consistent with the strength of the mandrel . This arrangement is shown in Fig . 45 . B Fig.45 . Fig . The usefulness of this bore or hole is that when a number of small pieces require to be ...
... hole re- ferred to should be as large as consistent with the strength of the mandrel . This arrangement is shown in Fig . 45 . B Fig.45 . Fig . The usefulness of this bore or hole is that when a number of small pieces require to be ...
Common terms and phrases
angle Area arms avoirdupois Babbitt metal bend bevel blade block body bore branch brass cast iron centimetre chisel chuck circle Circum cloth cogs column cope core box core prints Cube Root cubic foot cubic inches curve cylinder decimetre Diam diameter disk dotted lines dovetails draw edge equal Square face fastened feet finished flange flat foot gage Gallons globe valve glue glued gouge grain halves hard wood hectometre hexagon hole joint lathe lathe centers length mark metal method metre mitre box mold molder mortise myriametre necessary oilstone pattern maker piece of wood pinion pipe plane plate Pounds projecting rabbet plane recess represents round sand sand-paper screw scriber segments shape shooting board shown in Fig Side of equal solid staves surface taper teeth template thickness thin tool tooth turned varnish Weight wheel width wire