Recent American and Foreign Patents

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Under this heading we shall publish weakly notes of some of the more prominent home and, foreign patents. Flow.-N. Robinson, Patchogue, N. Y.-The object of this inventi{)l Xs to prevent the plow from choking, when plowing in stubble, manure, etc. BURNERS FOE COAI OIL, ETC.—E. D. Boyd, Helena, Arkansas.-The o19j)eet of this invention is to provide a simple and cheap perpetual wick for lamps. HOT OVEN.—D. and J. Campbell and S. Raymond, Middletown,Pa.This invention relates to that class offurnaces or ovens employed to heat air for the blast of hot-blast furnaces. KEROSENE BURNER.-James R. Cole, Demopolis, Ala.The object of this invention is to prevent the danger of explosions arisirg from the heating of the wick tube, and the generation of gas in the upper part of the lamp. LIGHTNING- RODS.-W. S. Reyburn and F .J.Martin, Philadelphia, Pa.- This invention consists in making a section of a lightning rod of one piece of sheet metal, doubled upon itself in ribs, in a peculiar manner, whereby a very excellent rod is produced at a very cheap rate. VELOCIPEDE BOAT.-G. Haberland, Pontiac, Il1.-The object of this invention is to provide for public use a. velocipede boat, so constructed and arranged that the driver can conveniently propel and steer it, while it is light capacious, safe, and commodious. SASH BALANCE.-J. G. Jones, Baltimore, Md.-This invention relates to that class of sash balances in which a coiled spring is employed, and consists in a novel arrangement of such spring with the cord pulley, and a •on pie of small spur wheels,whereby the mechanism operates more smoothly and uniformly, while a smaller spring is required. COMBINED SECTION MARKEU AND ROLLER.-Elibu Evans, Denver City, Coloraclo.This invention consists in a new arrangement and combination of section rollers and section markers,in a single instruments be employed on plowed ground in rolling the surface and laying off well-defined drills or channels, at any required distance apart, into wM«h the agriculturist can lead water, and thereby distribute it uniformly over the field for the purpose of irrigation. MELODEON.-J. R. Cluxton, Hussellville, Ohio.-TMs invention comprises two important improvements in melodeons and other instruments of a simi- 1 ar character. 1st. The volume of sound fro-m each key Is made to depend upon the' pressure of the fiiiger upon that particular key, so that pedals, stops, swells, etc., may be entirely dispensed with, and the loudne,ss or soft- n'iss of each sound be regulated with the utmost nicety by the t°uch of the player. 2d. A vibrating b

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