A hand-book on silex, embraced in three practical treatises: I. On soluble glass, and all its applications in the arts. II. On glass making, in all its details. III. A guide for soap making, the manufacture of all soaps and their manipulations...
A hand-book published in New York in 1871 by L. and J. W. Feuchtwanger, written by chemist Lewis Feuchtwanger, covering soluble glass, glass making and soap manufacture for manufacturers and practical workers. Its pictures are plain line diagrams: crystal forms with labelled faces, a pressure apparatus for dissolving quartz, and a lye conversion table, offering a designer simple technical schematics with clean linework and lettered labels.




