Society of Glass Technology · [Sheffield] · leaf 661
wer speed thanthe other crank-shaft,and the shaft of the table at a still lower speed. The cranks arepreferably adjustable in throw. For cylindrical lenses, a guidedtable is employed. For figuring, a modified arrangement(Fig. 176) is used; the arm, 18, does not carry the tool directly, butengages,… … Fig. 176. 0 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY Indexes for 1919 (P., Proceedings ; T., Transactions ; A., Abstracts) INDEX OF NAMES Acree, S. F., A., 105. Advisory Research Council, P., t). Ainger, R., P., 22. Alatine, E. van, A., 4L Alexander, G. E., P., 21, 31. Allen, B. J., P., 13, 22,…
Glass
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