Society of Glass Technology · [Sheffield] · leaf 690
A new apparatus was described which made possible theaccurate mass production of iridescent beads of any desired colouror shade. The colouring fumes (vaporised metal salts) were pro-duced in a chamber adjacent to the main muffle and were drawnin and discharged, after performing their function, into… … DECORATED GLASS 289 successively through six chambers maintained at varying tempera-tures so graded that in the last chamber they attained their propercolour and were ready for withdrawal. M. P. 340. Device for Securing Glass Articles during Decorating. J. A. Milliken, Bayonne, N.J., U.S.A.,…
Glass
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