made toproduce a suitable glass, and hence we were drivento France and Switzerland for a supply, where noobstacles exist in the way of making it. The mix-ture given by Mr. Cooper was stated to produce aglass suitable for optical purposes; and the exciserestrictions being removed, and being… … Priated and Published by W. Gibbss, 17, Holywell-street, Strand,where communications are tobe addressed. No. 102,—April 21, 1849, :m<m
Design · Decoration and ornament · Art
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.