Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 69
hours. on one side for the admission of the Glass Making. — The furnace in materials, and their removal when which glass is made Is a large circular formed into glass. When the pots are building capable of holding about six placed in the furnace, they are so pots or vessels, in which the glass is… … owes its capability of being thus easily Eoeut of this furnace. It is built upon fashioned to the lead contained in it. an arch, and the space underneath, in- The following quantities form a very cluded within the arch, is called the excellent glass: — Fine white sand, 300 cave, as at A. This…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
