Interesting English Patents
t he Cow hythe headland instead of a cavern at the north. In that case we should have the charlatan's divining rod succeeded by the astronomer's zenith sector in the search for precious metals.-EDs . .. , RECENT AMERICAN PATENTS. 'f he fo llowing are some of the most important im provements for which Letters Patent were issued fr om the United States Patent Office last week ; the elaims may be found in the official list :-To bacco Pipe.-This invention consists in a pipe for smoking tobacco
... moking tobacco cartridges, the novelty being found chiefly in a radiating plate which protects the chamber and tube of the pipe irom the destructive effects of the great heat of the burning tobacco, and also prevents them from becoming foul and offensive so soon as in other fo rms of smoking pipes and tubes. H. J. Hall, of New York city, is the inventor. Knittwg Ma clm1e.-This invention consists in the Burglm'-pl'ooj Safe Lock.-This invention relates to a new and improved burglar-proof lock of that class in which a key is not employed for operating the bolt and in which circular tumblers are used. The object of the invention is to obtain a lock of the class specified, which will not admit of the tumblers being tampered with so that a knowledge of their position can be attained in order to pick or illegitimately un lock the lock ; and also to have a ready and conve nient means for effecting the "c hanges " of the tum blers, so that they may be adjusted to different marks, figures or letters, in order that the lock may be un locked ; and, further, to have the dog and bolt so arranged that the latter may, in connection with a slotted disk, be acted upon by the former in a perfect manner. P. S. Felter, Cincinnat.ls, N. Y. , is the in ventor. INTERESTING ENGLISH JPATENTS. employment in knitting machines of a grooved needle Plans and specifications tor the tollowing subjects in combination with a sliding eye-closer or castinghave recently been published in England. They are off needle, operated by a suitable cam, in such a interesting, and will repay perusal. Doubtless some manner that the first or old loop is allowed to slip of our readers may obtain hints from them. Utiliz back over the point of the casting-off needle unto the ing the pOlVer of sea waves, although not new, can shank of the main needle, and when said needle h9.s be made to do service in some situations :-received the yarn from the guide and is drawn back, Applying and transmitting 1110 tive Power Obtained the cam holds the casting-off needle fo rward until its Jrom the Bea. -It is, according to this invention, point meets the hook of the main needle and the eye proposed to employ the ascentional power of the thus fo rmed retains the yarn and permits the old wave by transmitting it to the pistons of a pneumat stitch to slip off over the end of the needle fo rming ic engine in the tollowing manner :-At any point of a new �titch or course ; the invention consists, also, a beach, or of any construction built on the sea in a shoe applied in relation to the needles and needle shore, it is proposed to place an arrangement of two bed, in such a manner that when the needle bed has or more pulleys on which will roll a cable haYing at become worn and the needles get loose they will be one ena a buoy and at the other a counter weight, held down to their places and prevented fr om rising which may rise and fall in a well made for such pur and interfering with the guide or other parts. S. L. pose. The pulleys, by the constant come-and-go Otis, of Manchester, Conn., is the inventor. motion of the wave, which will at one lift and at an-Power fo r Sewing Ma chines.-The manifold atother lower the buoy, may be guided by connecting tempts heretofore made to drive sewing machines by rods, which act upon the pistons of air compressing spring or weight power have all been failures, prinmachines, which will store this compressed air in cipaUy for the want of a suitable device to regulate reservoirs provided for this purpose, and placed even the speed of the machine. If a spring or weight is several miles inland at the places where the power is applied powerful enough to overcome the inertia of required. The .distribution of this power will be an the working parts and to start the machine, it, effected through pipes, by which it will be dispensed the machine, soon begins to race and to assume a to blast furnaces, spinning fa ctories, or other places speed quite incompatible with the successful operawhere it may be required. tion of sewing, and if the spring or weight has not Pontoons or Oa issons Applicable to bUilding Struc sufficient power to start the machine the whole device tures in Wa ter.·-In carrying out this invention the is useless. These difficulties are overcome by the patentee proposes to construct the pontoon or caisson power which fo rms the subject matter of this invenof iron of any required dimensions. The proportions tion. It consists in the application of an adjustable which he considers efficient would be about 100 feet friction device or regulator acting upon the fly-wheel, long, 50 feet wide, 30 feet deep. The bottom or floor or any other part of the sewing machine and used in consists of a horizontal division or partition placed combination with a series of gear wheels to which about 20 feet from the top of the caisson, so as to motion iii imparted by a spring or weight, and from divide it into two chambers, the upper chamber being which motion is transmitted to the main driving shaft 20 feet deep, and the lower chamber 10 fe et deep, of the sewing machine and through it to all the workwithout a floor or bottom. A large circular or square ing parts of the same, in such a manner that the hatchway is made in the partition, and is provided motion or speed ot the sewing machine ca!l be reguwith vertical wans rising to the top level of the cais lated independent of the power of the weight or son, whereby communication is established between spring, and a weight or spring can be employed of the ' upper and. . lower chambers. The hatchway is suflicient power to work the machine for a long time furn ished with a valve closJng or opening the division without winding up. J. Zuckermann, San Francisco, as required. The valve being closed, the pontoon or Cal. , is the inventor. caisson is floated over the spot where a foundation or Gil'cular-saw Mi ll. --This invention relates to a other work in water is required to be performed.