Page 284

     28-1        1TIRE LABORATCYRY.
pentine two ounces, put them together into a glass, and
cover them close with waxed paper and a bladder; then
take a pot with, water, put it on a coal fire, and when it
Iegiss to be warm, put sowe hay at the bottom of the
pot, ou which set your glass ; then let it boil for two or
tL,'te hours, and the sandarac aird turpentine will disolve
and upite with the spirits; then pour your varnish boiling
hut th-ough a clean hair cloth, and put it up in a clean
phial for use. This is an excellent varnish, fit to be used
for varnishing light colours, as white, yellow, green, &c.;
and such things as are silvered or gilded,
4Anhter VarniAh fit to 0rix with Red or Dark Colours, and
                    tojpan M]e Work.
   TA KE of rectified spirits, (that is, such as when poued
on gunpowder will fire it ; or, whet a linen rag being dipped
into it, and lighted, will consume it,) one pound ; of clean
gum-lac, a quarter of a pound ; grind it fine, and put it
into a phial, and, pour the spirits over it ; let it stand
for two days, shaking it once every hour; the third day
bang it over a gentle coal-fire, till it is well dissolved;, then
strain it through a hair-bag, and put it up for use,
                  Anviher tac 7arniM.
  TAKE of the best proof spirit one quart, and calcined
tartar one pound ; let the spirit stand upon the tartar, close
covered, for one day, in a gentle warmth; then pour off,
and filtrate it through a paper: of this take one pound,
white amber six ounces, sandarae six ounces, gum lac two
ounces, (the amber must be picked out of the clear pieces)
grind all fine together; put it into a phial or matrass, then
pour on it three pounds of the filtrated spirit ; your phial
must be but about half filled ; then shake it about fo an
                                                   hour