See also:PAINTING § 29 . The Materials of Painting.--Painting
begins, as we have seen, on the one side in outline delineation,
on the other in the spreading of a coating of See also:colour on
a See also:surface . For both these the material apparatus is
ready at See also:Drawing may have begun merely with lines in
the air, but lasting designs were soon produced either by
indenting or marking any soft substance by a hard point, or by
rubbing away a comparatively soft substance, such as a pointed
piece of burnt See also:wood, on a rough surface of harder See
also:grain . Almost all the materials in use for drawing are of
See also:primitive origin . See also:Charcoal, coloured earths
and soft stones are natural or easily procured . Our See
also:plumbago was known to Pliny (xxxiv . 18) and to Cennino (ch
. 34), but it was not in See also:common use till See
also:modern times . The black-lead pencil is first described as
a novelty in 1565 (Quellenschriften edition of Cemmno, p . 143)
. A See also:metal point,of or