Inventors

by Philip Gengembre Hubert

Whitney Watching the Cotton-Gin.

Not long afterward the Greenes were visited by a party of gentlemen, chiefly officers who had served under the general in the Revolutionary War. The conversation turned on the state of agriculture. It was remarked that unfortunately there was no means of cleaning the staple of the green cotton-seed, which might otherwise be profitably raised on land unsuitable for rice. But until someone devised a machine which would clean the cotton, it was vain to think of raising it for market. Separating one pound of the clean staple from the seed was a day's work for a woman. The time usually devoted to the picking of cotton was the evening, after the labor of the field was over. Then the slaves—men, women, and children—were collected in circles, with one in the middle whose duty it was to rouse the dosing and quicken the indolent. While the company were engaged in this conversation, Mrs. Greene said: "Gentlemen, apply to my young friend here, Mr. Whitney; he can make anything." And she showed them the frame and several other articles he had made. He modestly disclaimed all pretensions to mechanical genius, and replied that he had never seen cotton-seed.

Nevertheless, he immediately began upon the task of inventing and constructing the machine on which his fame depends. A Mr. Phineas Miller, a neighbor, to whom he communicated his design, warmly encouraged him, and gave him a room in his house wherein to carry on his operations. Here he began work with the disadvantage of being obliged to manufacture his own tools and draw his own wire—an article not to be found in Savannah. Mr. Miller and Mrs. Greene were the only persons who knew anything of his occupation. Near the close of the winter, 1793, the machine was so far completed as to leave no doubt of its success. The person who contributed most to the success of the undertaking, after the inventor, was his friend, Miller, a native of Connecticut and, a graduate of Yale. Like Whitney, he had come to Georgia as a private teacher, and after the death of General Greene he married the widow. He was a lawyer by profession, with a turn for mechanics. He had some money and proposed to Whitney to become his partner, he to be at the whole expense of manufacturing the invention until it should be patented. If the machine should succeed, they agreed that the profits and advantages should be divided between them. A legal paper covering this agreement and establishing the firm of Miller & Whitney, bears the date of May 27, 1793.

An invention so important to the agricultural interests of the country could not long remain a secret. The knowledge of it swept through the State, and so great was the excitement on the subject that crowds of persons came from all parts to see the machine; it was not deemed safe to gratify curiosity until the patent-right should be secured. But so determined were some of these people that neither law nor justice could restrain them; they broke into the building by night and carried off the machine. In this way the public became possessed of the invention, and before Whitney could complete his model and secure his patent, a number of machines, patterned after his, were in successful operation.

The principle of the Whitney cotton-gin and all other gins following its features is so well known as to make it scarcely worth while to describe it here. The different parts are two cylinders of different diameters, mounted in a strong wooden frame, one cylinder bearing a number of circular saws fitted into grooves cut into the cylinder. The other hollow cylinder is mounted with brushes, the tips of whose bristles touch the saw-teeth. The cotton is put into a hopper, where it is met by the sharp teeth of the saws, torn from the seed, and carried to a point where the brushes sweep it off into a convenient receptacle. The seeds are too large to pass between the bars through which the saws protrude. This is the principle of the first machine, but many improvements have been made since Whitney's day. Nevertheless, by means of the cotton-gin, even in its earliest shape, one man, with the aid of two-horse power, could clean five thousand pounds of cotton in a day.

The Cotton-Gin.
(From the original model.)

As soon as the partnership of Miller & Whitney was formed, the latter went to Connecticut to perfect the machine, obtain the patent, and manufacture for Georgia as many machines as he thought would supply the demand. At once there began between Whitney in Connecticut and Miller in Georgia a correspondence relative to the cotton-gin, which gives a complete history of the extraordinary efforts made by the two partners and the disappointments that fell to their lot. The very first letter, written three days after Whitney left, announces that encroachments upon their rights had already begun. "It will be necessary," says Miller, "to have a considerable number of gins in readiness to send out as soon as the patent is obtained in order to satisfy the absolute demands and make people's heads easy on the subject; for I am informed of two other claimants for the honor of the invention of the cotton-gin in addition to those we knew before." At the close of the year 1793 Whitney was to return to Georgia with his gins, where his partner had made arrangements for beginning business. The importunity of Miller's letters, written during this period, urging him to come on, show how eager the Georgia planters were to enter the new field of enterprise that the genius of Whitney had opened to them. Nor did they at first contemplate stealing the invention. But the minds of even the more honorable among the planters were afterward deluded by various artifices set on foot by designing rivals of Whitney with a view to robbing him of his rights. One of the greatest difficulties experienced by the partners was the extreme scarcity of money, which embarrassed them so much as to make it impossible to construct machines fast enough.

In April Whitney returned to Georgia. Large crops of cotton had been planted, the profits of which were to depend almost wholly on the success of the gin. A formidable competitor, the roller-gin, had also appeared, which destroyed the seed by means of rollers, crushing them between revolving cylinders instead of disengaging them by means of teeth. The fragments of seeds which remained in the cotton made it much inferior to Whitney's gin, and it was slower in operation. A still more dangerous rival appeared in 1795, under the name of the saw-gin. It was really Whitney's invention, except that the teeth were cut in circular rings of iron instead of being made of wire, as in the earlier forms of the Whitney gin. The use of such teeth had occurred to Whitney, as he established by legal proof. They would have been of no use except in connection with other parts of his machine, and it was a palpable attempt to invade his patent right. It was chiefly in reference to this device that the endless lawsuits that wore the life out of the partners were afterward held.