Society of Glass Technology · [Sheffield] · leaf 601
3. The frame, m, which comprises two parts hinged together atra3, is pivoted at p* to an arm, p, pivoted at p1 to the machine 156 JOURNAL OF THE SOCIETY OP GLASS TECHNOLOGY. frame, and the frame, m, is moved to carry the tool radially overthe glass disc by means of a handle, q. The motion of the… … AAn) n, having a curved upper surface and secured to the machineframe. Reciprocation of the frame by means of the handle, q,thus causes the tool to move in a path of which the curvatureagrees with that of the templet, the tool and the rollers being pressedtowards the glass disc by a spring, o1. The…
Glass
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