Valuable Secrets concerning Arts and Trades:
or Approved Directions, from the best Artists, for the Various Methods...
Printed by Thomas Hubbard,
Norwich, 1795Chap. III. Secrets for the composition of Varnishes, &c.
LI. A varnish to lay on, after the isinglass.
Take spirit of wine, four pounds; white amber, four teen ounces; mastich, one; sandarac, seven. Put all in digestion, for twenty-four hours. Then, set the matrass on the sand, and give the fire for three hours, till all is perfectly dissolved. Add after, four ounces of turpentine oil.
LII. A varnish to gild with, without gold.
Take half a pint of spirit of wine, in which you dissolve one drachm of saffron, and half a drachm of dragon's blood, both previously well pulverised together. Add this to a certain quantity of shell-lac varnish, and set it on the fire with two drachms soccotrine-aloes.
Ei kommentteja :
Lähetä kommentti