Society of Glass Technology · [Sheffield] · leaf 463
Fig. 30. … mandrel is rotatably mounted in a bearing 72 carried by an arm,which may be adjusted so as to vary the inclination of the mandrelwithout varying the height of the stream A of glass. The wideend of the housing 68 is closed by a vertically sliding door 81 MACHINERY FOR THE WORKING OF GLASS. 85 with…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-405-229.webp)
