. The cyclopaedia; or, Universal dictionary of arts, sciences, and literature. Encyclopedias and dictionaries. BUTTON. Sfe ^^'f^'f'^"'- Tii's name is ^'vrn to thofe buttons wh ch -» a back which is generally of bone ^ny did I'.ioj ipparatu? for corK^enfing anJ recovering the voiati- vetted int* buttons of this and variouj other kinds Lfed mercury. In the tub O the principal part winild be and Studs recovered ; for, of what may iti'.! pafs on, a part would be 9!:cll bu condenfeJ in afcendin^ the tube H, and fail back, while the confill of _ remainder would be cffrftua
. The cyclopaedia; or, Universal dictionary of arts, sciences, and literature. Encyclopedias and dictionaries. BUTTON. Sfe ^^'f^'f'^"'- Tii's name is ^'vrn to thofe buttons wh ch -» a back which is generally of bone ^ny did I'.ioj ipparatu? for corK^enfing anJ recovering the voiati- vetted int* buttons of this and variouj other kinds Lfed mercury. In the tub O the principal part winild be and Studs recovered ; for, of what may iti'.! pafs on, a part would be 9!:cll bu condenfeJ in afcendin^ the tube H, and fail back, while the confill of _ remainder would be cffrftually ca.^ht in the tub or ca(k [, Ihank. but^coVd.'d with Wt^u.' and covered in front with a open at the ton. and partly tilled with water. The later thin plate of llmck with a die Th-v are now h L tub (houtd be on the outiide of -he build:n,. and the def- ever/much lefs in nf. than f.^trl'v. ThrbackraVe m branch ot the tube H (hndd ^o dc,wn into ,t at out with a brace whof. bit is a circular faw, i,ke that of a t ^ T^'m k' T^Ta ": r- ^"' ^"^>'o-- f"-geon's trephine, and the four hole, through whi L the the be {urni,}>ed with a dAmper to regulate the cat^nit pafFcs are d-illeJ by movin. para lei Z heat ot the bre. ^ „ . r u . "=h "'her, and aftincr at once. They are-hM, corded bv The water may be occafionallv dra^vn ont of the tubs by children who tie the catgut on the ; the cavity B fiphon, and the mercury clop?ed with '' mat ter m:!y be triturated in a piece of tlaTnel till it paffes through, or placed in a pan of ili.;et iron, hke a d-iopinff- pin, in a fufficient degree ot heat, giving it a tolerable in- clinatioa, fo that the mercu'-y, as it g;t9 warm, may run down and unite in the lower part of the pan. But the mer- cur/ will be mrX cffeftuilly recovered by expofiaj; the rcli- duum left in the flannel ba^j to dlliUation in a retort mide of iron or of earthen ware. When the mercury
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Keywords: ., bookcentury1800, bookdecade1810, booksubjectencyclo, bookyear1819
