Society of Glass Technology · [Sheffield] · leaf 338
small affairs, having a grate approximately 2 feet long THE DRYING OUT AND WARMING UP OF TANK FURNACES. 239 by 12 inches wide, and the height about 12 inches. The air andgas inlet valves were closed, the reversing valves placed in theneutral position and the chimney valves closed. There were two… … To avoid deformation of the crown due to expansion as thetemperature rises, it is obviously necessary that the tension in thetie-rods must be correctly and systematically regulated, and to dothis the movement of the crown must be measured. The method which the author advocates is to employ three…
Glass
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