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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    CHAP. II. How to make Crucibles and Ovens to prove Copper. »» QEttion i. The Mould. The form of the Crucibles. 3. The Clay. 4. Little Ovens for proof. 0 5. Another form of Ovens. 6. Ovens of Tile. 7. Proof Furnaces. 8. The XXI x. SCULPTURE Deciphered. .vix :ci a h 0 r . . ?C H A?P,-i III. x How to make Fluff to,prove Copper Oars. X . ■ I .1 l - [IP •t'Vfnr C H A P. IV. How foft flowing Gopper Oars are to be proved. ' v«\ “* T;' C H A P. V. How hard’flowing Copper Oars are to be proved QEction 1. The manner of it. a. The Oar mufl: be burnt quite dead, ° 3. Some Copper not fit for Brafs. 4. To boyl Copper Oars with boyled Copper. CHAP.. VI. , . V J How to prove light Copper, fix fever al ways. C M a p: mi. o How light Copper Oars which are mixed and infperged with Flints may be brought to profit. V ■' .1 ri J C H A P. VIII. How to prove Copper Oar from Copper Stone, &c. CHAP. IX. How to prove Copper-Oars another way. SEttion 1. Preparations. %. Of Copper Shiffer. 3. When no ftoneinthe Proof. 4. Roafted Oar do feparate better than raw or freih Oars. 5 and 6. Are other Methods. w ' ° C H A P., X. > To prove melted Copper Stone. * V v . 1 i j.i QEtfion 1. The method of it. a. The ufe of Venetian Glafs. 3. The XXX, ^ SCULPTURE Deciphered, C H A P. XI. To prove Flinty Copper by Sulphur. “ ■' ■' *■ \J SsBion 1. The firft proceeding. a. The Retorts for it. 3. The red Sul¬ phur of it. /' / C H A Pi' XII, How to prove black Copper by defy and fmooth Copper. [d] S,0, \