THE FAIR OF THE AMERICAN INSTITUTE. Among the novel and curious inventions exhibited at the Fair is a the object of which is to straighten out the tangled combings of ladies' hair arranging the roots all one way. The hair is placed on a rubber pad under a vibrating dull blade which has a kind of drawing motion. The edge of the blade en gages against the scales or nap of the hair and forces such as it catches in one direction or the other to meet endless canvas belts. Upright pins on the latter encounter the hair as it is pushed from under the blade and catching it carry it along thus straightening it with the roots outward. One of the neatest little machines exhibited is a made by Messrs. Tiffany & Caoper of Bennington Vt. It is clamped to a table and operated by turning a crank which rotating a little cylinder causes a spiral cam slot therein to give to the five or six needles the required motion. The cost of the device is a trifle and it knits such articles as watch guards curtain cord and dress trimmings rapidly and produces a good article. Another small invention of merit is a In this there is a little chamber beside the burner in which is placed a roll of paper along which are dots of a harmless compound which will take fire by percussion. The end of this roll is carried up near the orifice of the burner ; and by turning the cock the uppermost match is lighted by a slight blow thus igniting the gas. The device works well and remains operative as long as any of the roll of paper the end of which is constantly brought into position by very simple mechanism remains. The cost of the apparatus is said not to exceed that of the matches ordinarily employed. of 50 horse power is exhibited driven by compressed air. The working portions of this machine are remarkable for simplicity and fewness of parts as well as strength. There are in fact but three moving parts. The ring revolves on its own center in the cylinder the piston arm is attached directly to the shaft and pas
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