Salmon, William: Polygraphice: Or, The Arts of Drawing, Engraving, Etching, Limning, Painting, Washing, Varnishing, Gilding, Colouring, Dying, Beautifying and Perfuming: In Four Books ... To which is added A Discourse of Perspective and Chiromancy (London, 1675)

Chap. 23. Jhc Manual hjlrnments* 91
This is done in a crucible, covering the mouth
thereof with clay, and setting it in a hot lire, till you
are sare it is red-hot through: which done, being
cold, wash or grind it as aioresaid
XI!. 2oprepare Jbadows for Colours •
White is (haded with Black, and contrariwise:
Yellow with Umber and the Okcrs: Vermilion with
Lake : Blcw-bice with'Indie: Black-coal with Ro-
set, &c.

CHAP. XXIII.
i
\ ■
Of the Manual InftrumentSo
I. ~|~ H E manual Instruments are four ( by these-
1 cond Section os the sifteenth Chapter of this
Book) to wit, The GrindingJlone and Muller, Pencils,
labks to Limn on^and (hells or little glasses orChina-
dimes.
II. The Grinding sione may be of Porphury, Ser-
pentine or Marble, but rather a Pebble, for that is the
beil of all others: the Mailer only of Pebble, which
keep very clean.
Ihese may be easily got of Marblers or Stone-cutters in
London.
III. Choose your pencils thus: by their fdtness
in the quills, and their sharp points after you have
drawn or wetted them in your mouth two or three
times i so that although larger yet their points wilJ
come to as (mall as a hair, which then are good i but
is they spread or have any extravagant hairs they arc
naught.
IV. 1o wajhyow pencils.
G % Aster