Fleta minor. The laws of art and nature in knowing, judging, assaying, fining, refining and inlarging the bodies of confin'd metals. In two parts. The first contains essays of Lazarus Erckern ... in V books: originally written by him in the Teutonick language, and now translated into English. The second contains essays on metallick words, as a dictionary to many pleasing discourses by Sir John Pettus ... Illustrated with 44 sculptures ... / [Sir John Pettus].

  • John Pettus
Date:
1683
Catalogue details

Licence: Public Domain Mark

Credit: Fleta minor. The laws of art and nature in knowing, judging, assaying, fining, refining and inlarging the bodies of confin'd metals. In two parts. The first contains essays of Lazarus Erckern ... in V books: originally written by him in the Teutonick language, and now translated into English. The second contains essays on metallick words, as a dictionary to many pleasing discourses by Sir John Pettus ... Illustrated with 44 sculptures ... / [Sir John Pettus]. Source: Wellcome Collection.

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    Se&ion. white (the Qalves or Sbecps-bones arebeft) among com¬ mon Bones') ftamp them fine, and grind them upon a Grind [tone fine as flower,then moften luch liibtile bone- alhes (like other Qopel-Afhcs) with flrong Beer, and of this make Qopels, and ftrew Qlar on them, as hath been done with the other before named Copels, and let them dry ; lb are they prepared. But good and clean Bones of Filhes may be had, (which of all Bone-Ashes are the bell to be ufed ios Qo¬ pels 1) When you would aflay upon theft ft* them in the Proof-Oven, and when they are only glow*, ing hot, then put what you do intend to try in then, and although they are only thus, the Proofs vvill not leap, but be purely finished : only this is to be noted , that the Affayes upon theft Qopels are much colder, lon¬ ger and go more fubtilly than upon the other Copels , therefore there cannot eafily any thing of Silver be loft; and when the proof is finilhed than may the Grain be taken off very pure and clean, and nothing ftick to it, although it had been a Qoppery-Silver that was refined in it, which Grains do commonly enter into the Qar, and they cannot always be taken off cleanly from other Qopels. ; tVvi ■ J U —; ' — • n iR-iJi: t ■ oJ h\ / --<-i ; , y-jiiffn ■ • s r r i •> r.\r v •rfvJ . . v ' ' ' ' y . >_. , / - -- T. . ■ ' ■ 1 V 1 i • r ' i * > 2' ; :• \ . f r* r|\*r r - -» llyiJ / ■.. .[•] fii ! ■ 3(J , t r ■j r j - ■. .ado ii V7 ZIOT i i :h io5 CHAP t \ k yj j(i y< Vjtb; ) bsbnin; ? ■ on oc ' V w~ 7 rt . ~ -r; .! f 1 - ■ r*0 .5 :> » r ? ■ iOO.i cl J i s f j j U- i r j ILG 01 - nom - * y f '*■ . . * v *->>•' i i bnn ' .v:V\o 3r!.j r 11 ■UlijTiOl siu ci w; ■i ci . r^r r * ■ v r' i r> f « -v .4 nJlJ .J ’ i „r. xO ,4 ,\r:\ . • ! li Ui ; r ■ r J + r r-■ , -• ■ - t iJJ.tl ... .-.^ iOi j. ' r t f.fi pj Hi ^ K2 Cl o' ) Vi r Uoi on: i obro oi i • ! f ft \~K