The Mechanic's Companion: Or, the Elements and Practice of Carpentry, Joinery, Bricklaying, Masonry, Slating, Plastering, Painting, Smithing, and Turning, Comprehending the Latest Improvements and Containing a Full Description of the Tools Belonging to Each Branch of Business; with Copious Directions for Their Use. And an Explanation of the Terms Used in Each Art; Also an Introduction to Practical GeometryJames Locker, 1832 - 333 страница |
Из књиге
Резултати 1-5 од 79
Страница 25
... fix the angle of the square at C , direct the outer edge of the stock in the straight line A B , lay a rule upon the outer edge of the blade , and draw the perpendi cular D C F. In the same manner take the middle of the line D A D at E ...
... fix the angle of the square at C , direct the outer edge of the stock in the straight line A B , lay a rule upon the outer edge of the blade , and draw the perpendi cular D C F. In the same manner take the middle of the line D A D at E ...
Страница 26
... fix the rods together at B , and to keep the angle invariable nail a strip F G across the legs B D and B H ; move the whole round , keeping the edge of the rod B D close upon the nail , pin , or brad - awl at A , and the other leg B E ...
... fix the rods together at B , and to keep the angle invariable nail a strip F G across the legs B D and B H ; move the whole round , keeping the edge of the rod B D close upon the nail , pin , or brad - awl at A , and the other leg B E ...
Страница 27
... fixed upon the axis , move the point B round from A to B , and describe the curve A B C D , it will be the true ellipse required . PROB . VI . Any three straight lines being given to find a fourth proportional . PL . 6. FIG . 1 . Let CA ...
... fixed upon the axis , move the point B round from A to B , and describe the curve A B C D , it will be the true ellipse required . PROB . VI . Any three straight lines being given to find a fourth proportional . PL . 6. FIG . 1 . Let CA ...
Страница 31
... fixed to one end , by means of which the utmost power of the workman may be exerted in using it . Saws have various names , according to their use . It is obvious , in order that the saw should clear its way in the wood , that the plate ...
... fixed to one end , by means of which the utmost power of the workman may be exerted in using it . Saws have various names , according to their use . It is obvious , in order that the saw should clear its way in the wood , that the plate ...
Страница 36
... fixed to the other edge of the rule , perpendicular to , and in the middle of the length , and the sides of this piece in the same plane as the sides of the rule ; this last piece having a straight line on one side perpendicular to the ...
... fixed to the other edge of the rule , perpendicular to , and in the middle of the length , and the sides of this piece in the same plane as the sides of the rule ; this last piece having a straight line on one side perpendicular to the ...
Друга издања - Прикажи све
The Mechanic's Companion: Or, the Elements and Practice of Carpentry ... Peter Nicholson Приказ није доступан - 2015 |
Чести термини и фразе
arch axis balusters bead bench bench hook bottom breadth bressummers brick building called centre chisel chuck circle coat conic convex curve cutting edge cylindric describe diameter distance draw equal extrados face feet fixed flat Flemish bond floated floor frame frustum gauge groin groove half hammer hand saw height hole hollow hook horizontal inches iron jack plane Joinery joints joists lathe length lime mandrel middle mitre mortar mortise mortise and tenon mouldings nail nearer notch ovolo parallel party-wall perpendicular piece of stuff piece of timber piece of wood piers plaster Plate PROB puppet quirk rafters rail rebating plane right angles ripping saw riser roof round sand screw shaving soffit square stairs steel steps stone straight edge straight line string tenon tenon saw thickness tool transverse tread treadle turning upper vault vertical sides wall wedge
Популарни одломци
Страница 14 - The Measure of an angle, is an arc of any circle contained between the two lines which form that angle, the angular point being the centre ; and it is estimated by the number of degrees contained in that arc.
Страница 77 - ... the owner shall be liable to the amount that would have been due at the time of his receiving the account of such work, in the same manner as if no such payment had been made.
Страница 74 - Nothing contained in this act, shall be construed to apply to any ship or vessel of war in the service of the United States, or of any foreign government, while lying distant three hundred yards or upwards from the wharves, piers or slips of the said city.
Страница 295 - Chisels are of various sizes, from a quarter of an inch to two inches and a half: these are convenient in running mouldings and cleaning the bottoms of grooves.
Страница 285 - WELDING is the intimate union produced between the surfaces of two malleable metals, when heated almost to fusion and hammered. This union is so strong that when two bars of metal are properly welded, the place of junction is as strong, relatively to its thickness, as any other part of the bar. Only two of the old metals are capable of firm union by welding, namely, platina and iron. The same property belongs to the newly-discovered metals potassium and sodium.
Страница 170 - ... lenses Middle-ground is a term used, not to express the middle of a picture, but generally perspectively so ; — sometimes it is the highest part of a picture, and sometimes the second degree of shade. Pictures are divided into three parts : fore-ground, middle-ground, and back-ground. Middle-rail, the rail of a door which is upon a level with the hand when hanging freely : the lock of the door is generally fixed in this rail Midship signifies the middle of a ship Midship-bend, the broadest...
Страница 75 - ... may be sued for and recovered, with costs of suit, in any court of record within this state, by the fire department of the city of New York, in their own name and for their own use.
Страница 14 - A sector is any part of a circle bounded by an arc and two radii, drawn to its extremities, as F. 50. A quadrant, or quarter of a circle, is a sector, having a quarter of the circumference for its arc, and the two radii are perpendicular to each other, as G.
Страница 73 - Justices, shall afford a reasonable cause of suspicion, that any gunpowder has been brought, or is kept, within the said City, or in...
Страница 14 - The radius of a circle is a right line drawn from the centre to the circumference, ab, at A.