A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 530
upon by the acid. Theplate of glass is nextlaid horizontally on atable and a raised bor-der of wax carriedaround the edges of theglass, upon which theacid is then poured.The acid is allowed toremain on the glass aslong as it may be re-quired to destroy thecolored stratum wher-ever exposed.… … ffljJjfllRM^rnJfQJii^^ Fig. 88. 138 PAINTING AND DECORATING. 18 state of the acid. If very much concentrated, the action ofthe acid extends over the etching ground and seems toundermine the lines. Fig. 82 presents a door panel of white glass flashed withany one color, which may be vitrified or…
Architecture · Building
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