Jlmerican Patents f ~ ,/lpril, with R~ark¢~.
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employed in the glazing of stone ware, potleu~ Q~:g[a~.~.~l~.~ used in the same manner and for the same :purpo~es.:.~a:~ and iron sheaves are now used." !: ~:fii~i~~'~i:i~:~ These sheaves are undoubtedly very good, when: w e i ! : ' ~ ~ : ! : ~ we believe, has been proved in England~ as we recolleet~! since; seeing them mentioned in one of the journals; ~attho~li'~i~:is fact may militate against the validity of the patent~ .it will no~ ~:~vt the goodness of the pulley: _ -__ ,-,~v 60. For a Churn; David Smith, near Emtnitsburg,, Frederic county, Maryland, April 21. .~ ~ A trough is made, the excavation in which is to be semi-cylindrical. In this trough dashers are to revolve backward and forward, they bein~ fixed upon an axle for that purpose. A cover is to be keyed do~vn over the dashers, to prevent the waste of cream. It~:is to be worked by a lever, there being a pinion on the dasher shaft, and a segment of a wheel on the fulcrum of the lever. The claim is to " t h e mode of keying the top to the bottom; the inclined dashers~ and the mode of working them." t
• 61. For an Improvement in the Power Loom; Jesse T~ylor and Joseph Woodhead~ Middletown, Pennsylvania,April 2i:. :: The exactstruCture of thCpart patented i cann°t be given without a drawing~ but~its object and operation are thus explained: "When:tlie~th:read of the fili'ing or wef.t:b~:eak:S;~i~he~:p~ng~adts:by the lathe's Striking againsI~the b~eas!: b:eain~}aad:th6 rt so called] pressing on the lever, lets off theg:eari~g~:~ it to slide along the mortice; it then throws the:~stra'p::fi'6~i~:fi~e~io:to a loose pulley; thus stopping the operation of the w~aving. ; ~ ! ~ ; " The claim is to the " stoppinF~ of"the power loom when the fiiiing breaks, by the machinery it~lf,~without-the aid of hand." 62. For an Improvement in Tanning; Isaac Daws, Goshen farm, Montgomery countv, Maryland, April 21. The directions given are, after the hides have been haired and fleshed, to hang them in bates, upon pegs or nails, very close together, until fit to work in the bark: clean and rince them(hang::(hetn in ~tan vats upon pegs or nails, in a weak sour hquor," for twO:0~'.ihree:~y~,..:. ,_., :.:~;~ hang them next in a stronger liquor for tbur or five d i i ~ ~ ~ e ~ very strong liquor of black oak bark; for a vat of th,*ty h l d ~ A ~ n e pound of Glauber~s or other salt; add three bush:~![~ ~he bottom, and one at the top of the vat; in this han~ tl~ehides f0i~fl~ree weeks, covering the vats up to prevent evaporation. On removing the hides~ the liquids will answer as weak'!iq/iids. The claim is to the foregoing process, by w.hichi:leai~er)dah:be tanned in less time, with less labour, and be equally good with .that tanned in the ordinary way. 68. For a Washing Machine; John G. Conser~ Miles town. ship, Centre cmmty, Pennsylvania, April 21.