Society of Glass Technology · [Sheffield] · leaf 523
Fig. 78. 92 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. … Fig. 79. MACHINERY FOR THE WORKING OF GLASS. 93 The jaws, c, arc operated by a rocking-lcvcr, /, which is tilted oneway or another by pins, g, gl, that strike against some fixed parteach time the bracket descends. The second pair of jaws, j, whichsteady the parison, are pivoted to a plate, s, that…
Glass
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