Also, the best Patent Door, Hub, and Rail Car Mortising Machines in the world.
The doors are now made by mortising the top and bottom pieces to take the 3/8-in.
This will necessitate care in mortising and tenoning the side rails so as to get good fits for the shoulders The bevel square will be needed in laying out the shoulders of the tenons.
Mortising is still recognized, however, as a good thing to do and is sometimes practised by first-rate carpenters.
In mortising for the top rail it is well not to work up to the end of the post but to cut back, say 3/4 of an inch, as shown in one of the details.
It was thought that placing the studs 16 inches on centres, which is the common practice in modern house framing, removed the necessity of mortising into the sill.
In the mortising just shown, there are only two shoulders where the tenon begins--that is, the tenon is made by only four cuts.
Sometimes the grooving andmortising are combined,--an excellent way (Fig.
You can have grooving for a door-frame done at the mill very cheaply and do the mortising yourself, or you can have the mortising done by machine at slight expense.
Besides, the extra length makes the ends stronger for the mortising and less likely to split out.
This great change has been brought about by the sawmill, the planing machine, mortising and boring machines, and the turning lathe.
As representing novel departures in this art, the endless chain mortising machine shown in Douglas patent, No.
Mortising Machines have exercised an important influence in mill work in the joining of the stiles in doors, sashes and blinds, and in the making of furniture.
Brunel's mortising machine for making ships' blocks is another early form described in British patent No.
The self acting mortising machine was among the numerous early contributions of Gen.
Maudslay's mortising machine, which he contrived for the Block machinery, although intended originally to operate upon wood, contained all the essential principles and details required for acting on metals.
This machine consisted of a vertical slide bar, to the lower end of which was attached the steel mortising tool, which received its requisite up and down motion from an adjustable crank, through a suitable arrangement of the gearing.
In order to obviate this inconvenience, I designed an arrangement of a key-groove mortising machine.
In the highest class of furniture where loose cushions are used, the seat base is formed by solidly mortising a frame together on which is woven a heavy cane seating.
Illustration: Detail of the Princess Dresser] The mirror frame is made by mortising the end pieces with the side pieces as shown.
Great care must be taken that the mortising does not extend to a depth that will cause the back to be thin and weak.
After this the chiseling out or mortising can be proceeded with.
For this purpose a rather small chisel of the kind known among cabinet makers as a mortising chisel will be required.
His machines, and subsequent improvements by others, for boring, mortising and turning, display wonderful ingenuity.
There were then no planing mills, jig saws, circular saws, or mortising machines, but all was done by hand labor.
The mortisingmachine for wood work consists essentially of an ordinary auger, which bores the holes, and a chisel for cutting the corners so as to produce the square or rectangular mortise that is usually employed in wood work.
The cut made by the marking knife should be lightly carried all round the work as the mortising is cut from each edge of the stile, the cutting of the mortising being finished in the centre.
To overcome this difficulty the latest types of mortising machines have a square hole-boring attachment fixed alongside the chain.
The ordinary mortising exercise is, after the first two or three attempts, generally voted as uninteresting, but, although the simple puzzle shown in Fig.
This differs from the regular tenoning and mortising methods, principally because the groove or recess is in the form of an open gain.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "mortising" in a variety of sentences. We hope that you will now be able to make sentences using this word.
