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Updated: July 9, 2025
If the uppermost 18 inches or so are of 1/4-inch diameter, and assigned a bracket some distance below the one projecting from the top of the pole, the remainder of the rod need not exceed 1/8 to 5/32 inch in diameter, as the twisting strain on it is small. Or the rod may be built up of wooden rods, well painted, alternating with brass at the points where the brackets are. The Bevel Gearing.
There was not a tarnished spot upon the good steel, not a speck of dust upon its gleaming length, not a shadow along the bright bevel. But she was not satisfied. With endless care she polished the shining surface again and again, with leather and silk, as she had done every day since she had brought it back nearly twenty years ago.
Extending immediately below the camshaft is another vertical shaft, driven by bevel gears from the crank-shaft, and terminating in a worm which drives the multiple piston oil pumps. The cylinders are made from steel forgings, as are the valve chamber elbows, which are machined all over and welded together.
The movable fulcrum, B, Figs. 4 and 5, consists of two adjustable steel pins, attached to the fulcrum lever, Q, and turned conical where they fit in the socket, D. The fulcrum lever is pivoted on a pin, R, fixed in the framing of the machine, and is connected at its lower extremity to the nut, S, in gear with the regulating screw, T. The to-and-fro movement of the fulcrum lever, Q, by which heavy or light blows are given by the hammer, is placed under the control of the foot of the workman, in the following manner: U is a double-ended forked lever, pivoted in the center, and having one end embracing the starting pedal, P, and the other end the small belt which connects the fast pulley on the driving shaft, A, with the loose pulley, V, or the reversing pulleys, W and X. These are respectivly connected with the bevel wheels, W , and X , gearing into and placed at opposite sides of the bevel wheel, Z, on the regulating screw in connection with the fulcrum lever.
The writer saw this mill about sixty days ago, and it is in good shape, and doing the work as stated. The only repairs that it has required during four years was one bevel pinion put on this spring. The owner of a 16-foot diameter mill, erected at Blue Springs.
James having seen that this part of the operation has proceeded satisfactorily, places the table away to dry, and when so, the cramps are removed and the table examined by the chief. All being assumed to be satisfactory, James is told to go on with the shaping down of the bar, which is done with a chisel held with the bevel downwards, this being safer and less likely to slip.
The end of the shaft has a gradual bevel where it meets the lateral face of the head. This is a sturdy little point and will stand much abuse. We use it for shooting birds, squirrels, and small vermin. But the point that we prefer to shoot is the old English broad-head.
For convenience in fitting, the tubes should run at an angle of 45 degrees to the bottom and side of the kettle, as this gives the same bevel at each end. Find the centre of the bottom, and through it scratch plainly four diameters 45 degrees apart. From their ends draw perpendiculars up the side of the kettle.
Tools which are going to be used in soft wood require rather a longer bevel and more acute edge than when they are wanted for hard wood. Lay the flat of the tool on the stone at an angle of about 15°, with the handle in the hollow of the right hand, and two fingers of the left pressed upon the blade as near to the stone as possible.
It will be well to fix a little metal screen over the bevel gear to protect it from the weather. The Dial This is made of tinned iron sheet or of 1/4-inch wood nailed to 1/2-inch battens. It is held up to the post by 3-inch screws passing through front and battens.
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