It has an ingenious feeding device, and its flywheel carries the jointing knives.
Mumford, of Avondale, Nova Scotia, Canada, has patented an improved machine for Sawing and Jointing Shingles.
They are constructed of parallelepipedal blocks of limestone, finely jointed (though the jointing has often been spoilt by weathering), and arranged in regular courses which vary in size in different parts of the enceinte.
They are built in Cyclopean work, and different parts vary considerably in the roughness or fineness of the jointing and hewing of the blocks; but explorations at Norba (q.
In regularly-jointed rocks, jointing may well be mistaken for bedding, and there is often great difficulty in discriminating between bedding and cleavage, especially when the exposures of rock are of small extent.
But for the jointing of large birds, as turkeys, geese, capons, &c.
Each layer of quartz was separated from its fellows, by one of mica scales; and was broken up into cubical fragments, whose surfaces are no doubt cleavage and jointing places.
Cliffs in loess 200 feet in height which exhibit the characteristic vertical jointing (after von Richtofen).
Such records particularly show that the movements which they register occur upon the planes of jointing within the rock, and that these ready formed cracks have probably been the seats of repeated and cumulative adjustments (Fig.
Though easily pulverized between the fingers, loess is none the less characterized by a perfect vertical jointing and stands on vertical faces as does the solid rock (Fig.
The jointing must be carefully made, and should be of cement or of well tempered clay, care being taken to wipe away all projecting portions from the inside of the pipes.
The pebble joggle joint is formed with the aid of pebbles as small dowels fitted into mortises in the jointing faces of two stones and set with Portland cement; but joggles of slate have generally taken the place of pebbles.
Four forms of jointing for the battering stonework of spires are shown in fig.
When the jointing is properly performed, there is little difficulty in carrying the knife down in the direction of the line 1 to 2.
As is the case with a loin of mutton, the careful jointing of a loin of veal is more than half the battle in carving it.
This knack of jointing requires practice and the proper tools; and no one but the butcher is supposed to have these.
Hence the straight and regular jointing of slate, limestone and most sedimentary rocks is accompanied by wall-like dikes—the typical dikes (Fig.
It is the length of tube, and consequent difficulty in giving identity of motion with the two hands, which make the jointing of long tubes difficult.
An upright ornament like a small shield, placed above the corona when the gutter is omitted, to hide the end of the jointing tile ridge.
They were smoothly cut upon the jointing surfaces, while the face was not chiselled until after the completion of the masonry.
Not all Cyclopean masonry is to be attributed to the earliest ages of Hellenic antiquity, for this manner of polygonaljointing remained in use long after a time when cut and squared stones were generally employed.
It is formed of oblong stones, exactly hewn, and laid in courses of stretchers and headers, without the use of mortar, the careful jointing showing a high degree of technical perfection.
These rings are often taken for flaws; though that may be ascertained by noticing whether or not they have the same inclination as the twist, and whether or not they are at the jointing of a spiral.
Since much of the security from water depends on the tightness of the tub at its jointing with the rock, several plans have been contrived to effect this object; the most approved being represented in fig.
This is useful for squaring edges and small surfaces and ends with the plane, and for jointing edges, the plane being pushed forward on its side (see Shooting-board, in Part V.
In shooting or jointing edges it is customary to hold the finger under the sole of the plane as a guide (Fig.
This you will often have to do, and for jointing two edges which are to be glued particular care will be required.
The shooting-board is very useful for jointing edges, particularly for short, thin stock.
No doubt in times of remote antiquity it was found that the jointing of masonry which was to be immersed required the use of a cement indifferent to the action of water.
It was a natural transition to utilize these cements not merely for jointing masonry but also for making concrete, and the only reason why hydraulic cements, as distinct from cements which are not hydraulic (e.
But in many cases, especially when the rock is fine-grained, the jointing is very regular.
What is the nature of the jointing in igneous rocks?
Jointing on a less spectacular scale also has broken the Entrada in areas south of Salt Valley, leaving walls or fins of rock.
The formation and collapse of the Salt Valley and Cache Valley anticlines was accompanied by pronouncedjointing (fig.
The remarkable jointing of the rocks on the northeast limb of the Salt Valley anticline is shown in figure 12.
These different characteristics are shown in the design and treatment of the carved stone corbel given, as compared with the misereres in wood; the stone-work being also controlled by the necessity of the jointing in the masonry.
Notes on the Jointingof the Devil's Tower, Wyoming: Jour.
It is preferred for the jointing of cabinet stock, and the amateur can make a similar joint by working two grooves and inserting loose tongues.
Owing to the importation of narrow and faulty timber the necessity of jointingis greater to-day than ever it was, wide timber of course meaning higher cost for raw material.
Bevelled and Dovetailed Box, showing the Jointing of One Corner Separated.
This is a useful method of jointing framing which has square edges as shown; and it is equally useful even if the face edges have moulds worked upon them.
This joint is extensively used in the pattern making trade for lap-jointing the arms of pulley patterns, etc.
Three methods of jointing are shown in the sections at Fig.
A safe rule for the spacing of dowels when jointing sideboard tops, dressing table and wardrobe ends, etc.
The object of working a bead or beads on matchboarding is to break the jointing of the various pieces and to aim at ornamental effect; also to prevent unsightliness should the timber shrink slightly.
The methods of scarfing and fish-jointing are many and varied, and, in selecting a joint, the nature of the pieces to be joined and the direction and the amount of the load should be carefully taken into consideration.
The wooden trying plane (or ironjointing plane) for trueing up the work.
The glue used for jointing should be neither too thick nor too thin; the consistency of cream will be found suitable for most purposes.
With regard to tongued and grooved joints which apply more particularly to the jointing of cabinet work, Fig.
Judgment should also be exercised to avoid jointing in which one piece of timber is wild and large in the grain, and the adjoining piece of a mild-grained nature.
There are two methods of jointing with loose tongues, viz.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "jointing" in a variety of sentences. We hope that you will now be able to make sentences using this word.
