Jethro Wood, Inventor of the Modern Plow: A Brief Account of His Life, Services and Trials; Together with Facts Subsequent to His Death, and Incident to His Great Invention

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Rhodes & McClure, 1882 - 66 páginas
 

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Página 50 - In one instance, there was great difficulty in proving that the machine had been used in Georgia, although, at the same moment, there were three separate sets of this machinery in motion within fifty yards of the building in which the court was sitting, and all so near that the rattling of the wheels was distinctly heard on the steps of the court house.
Página 36 - March one thousand eight hundred and thirty-one, the full and exclusive right and liberty of making, constructing, using and vending to others to be used...
Página 55 - ... found himself not a moment too soon. The case had an immediate hearing, and after three days' trial the Circuit Court decided unequivocally that the plow now in general use over the country was unlike any other which had been produced ; that the improvements which rendered it so effective were due to Jethro Wood, and that all manufacturers must pay his heirs for the privilege of making it. "This was a great triumph; but it was now the late autumn of 1845, and the last grant of the patent had...
Página 14 - You wish me to present to the Philosophical Society the result of my philosophical researches since my retirement. But, my good Sir, I have made researches into nothing but what is connected with agriculture. In this way, I have a little matter to communicate, and wilf do it ere long.
Página 67 - ... portions together by lugs and locking pieces, doing away with screw-bolts and much weight, complexity, and expense. Wood did more than any other person to drive out of use the cumbrous contrivances common throughout the country, giving a lighter, cheaper, and more effective implement.
Página 30 - ... need require, by a wedge for tightening and loosening, the beam may be raised and lowered ; and the mould-board, with its cutting edge, enabled to make a furrow of greater or smaller depth, as the ploughman may desire, and a latch and key fixed to the beam, and capable of being turned into notches, grooves, or depressions on one edge or narrow side of the standard, serves to keep the beam from settling or descending. By means of these screw bolts, wedges, latches, and keys, with their appropriate...
Página 34 - Their junction is after the manner of tenon and mortice ; the tenon being at the fore end of the land-side and the mortice being at the inside of the mould-board and near its point. The tenon and mortice are joggled, or dove-tailed together in the casting operation, so as to make them hold fast. The fore end of the...
Página 34 - The fore end of the tendon is additionly secured by a cast projection from the inside of the mouldboard for its reception ; and if any other tightening or bracing should be requisite, a wooden wedge, well driven in, will bind every part effectually, and all this is accomplished without the assistance or instrumentality of screws. " The said inventor and petitioner wishes it to be understood, that the principal metallic material of his Plough is cast iron. He has very little use for wrought iron,...
Página 44 - ... attending the gift and its reception formed a large part of the newspaper gossip of the day. Wood, though a man of cultivation, intellectually as well as agriculturally, was not familiar with French, which was then as now the diplomatic language. So he requested his personal friend, Dr. Samuel Mitchell, President of the New York Society of Natural History and Sciences, to write a letter in French to accompany the gift...
Página 45 - an ingenious mode of quartering on the enemy," and the inventor's friends seem to have believed that the ring had been privately sold for his benefit. At all events it never came to light again, and Wood, a peaceful man, a Quaker by profession, did not push the matter further.

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