ROMAN HELMETS. No. 114.—Vol. V. I Two-pence, Saturday,] THE decorators ASSISTANT. [July 14, 1849. ^aintms on ^la^s. {Continued from page 102.) … HOUGH it is difficultto produce the copper glass uniformly coloured,it is easy to obtain streaks and patches of afine transparent red. For this purpose it issufficient to fuse together 100 parts of crownglass with one oxide of copper, putting a lumpof tin into the bottom of the crucible. Me-tallic…
Design · Decoration and ornament · Art
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