Marson, Percival · London, New York [etc.] Sir I. Pitman & Sons · leaf 68
ghted, clean, and free from coaldust, totally different conditions from those existingin many English glass houses of to-day. A Siemens Siegbert furnace taking ten open cruciblepots, and filled each day, turns out 15 to 18 tens of 52 GLASS metal a week. The erucibles are about 30 in. in diameterand… … A MODERN GLASS HOUSE The Hermansen Continuous Recuperative Glass-meltingFurnace in foreground (Twelve Covered Pot Type). furnace is that, during the reversing in the direction ofthe fire gases, the greatest heat is suddenly brought tobear on the cooler pots, resulting in short life for thepots. The…
Glass manufacture
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
