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Twice or thrice pinnate leaves, toothed like a tenon saw, with conspicuous veins ending in the notches, brand it as the beaver poison, otherwise known as the musquash root and spotted cowbane. From its tuberous roots was prepared the poison which Socrates drank without fear; why should he fear death? Does he not still live among us? Does he not question us, teach us?
I, who had just come from Professor Sedgwick's Cambridge Museum of megatheria and mastodons, was ready to maintain that some cleverer elephants or mylodonta had borne off and laid these rocks one on another. Only the good beasts must have known how to cut a well-wrought tenon and mortise, and to smooth the surface of some of the stones.
These outside shutters are of heavy construction like doors, the stiles and rails having mortise and tenon joints held together by dowel pins and the panels being molded and raised. Usually frieze and lock rails divide the shutter into three panels, the two lower ones being the same height and the upper one square.
"To Adam Tenon, clerk of the warden of the seals of the provostship of Paris; for the silver, making, and engraving of said seals, which have been made new because the others preceding, by reason of their antiquity and their worn condition, could no longer be successfully used, twelve livres parisis.
Between Curicu and Santiago, however, facing the gorge of Tenon, I saw two distinct lateral moraines, parallel to one another, chiefly composed of volcanic boulders, resting upon the old drift, and indicating by their position the course of a large glacier that once poured down from the Andes of Tenon, and crossed the main valley, without, however, extending beyond the eastern slope of the Coast Range.
The tenon on the top of each post goes through the plate, and is firmly pinned; the putting up the rafters completes the frame. The raising of a building of this size should not occupy more than three quarters of a-day. No liquor should be served out to the swarm of working bees till the raising is over, as many serious accidents having occurred for want of this precaution.
"For all that, should it have given way as it has done?" "I'll tell you better when we find the beam it belonged to." It took them some time; and then the carpenter turned to Ferguson. "You marked this tenon off before you cut it. Did you run the saw past your line?" "No," said Ferguson with a start; "that's certain. I dressed up to the mark afterward with a chisel."
Tearing down an old house is easy enough, but to do it so that it can be rebuilt is a trade in itself. From removing paneling and interior trim to taking apart the hewn timber frame requires care and understanding. Too much brute strength will split boards that should be saved. Similarly, it is disastrous if mortice and tenon joints are sawed apart.
Lines must now be drawn along the upper and under sides of the top, parallel to and 3/4-inch from the edge, to complete the marking out of the notches. Cut just inside the side marks with a fine tenon saw, and remove the wood between the cuts back to the top and bottom marks with a broad, sharp chisel, making the surface of the cut as true and flat as you can.
He saw the workmen prepare all the material for mortise and tenon work, saw them attach the tension wires, fit in the ends of poles, and finally connect together all the parts of an airplane, wings, rudders, motor, landing frame, body.
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