The laboratory, or School of arts : in which are faithfully exhibited and fully explain'd, I. A variety of curious and valuable experiments in refining ... gold ... II. Choice secrets for jewellers ... III. Several ... experiments for casting in silver, copper, brass ... IV. The art of making glass ... V. A collection of ... secrets for the use of cutlers, pewterers, brasiers ... VI. A dissertation on the nature and growth of saltpeter ... Translated from the German | Collections | The Huntington