| PAGE | | AN OLD ENGLISH GLASS HOUSE, A.D. 1790 | Frontispiece | | | HORIZONTAL CRACKING-OFF MACHINE | 1 | | | INTERIOR VIEW OF AN ENGLISH GLASS-MELTING FURNACE | 44 | | | EXTERIOR VIEW OF AN ENGLISH GLASS-MELTING FURNACE | 46 | | SIEMENS SIEGBERT REGENERATIVE GLASS-MELTING FURNACE— | | | FIG. A. CROSS SECTION | 48 | | FIG. B. SECTIONAL PLAN | 49 | | Fig. C. SECTIONAL ELEVATION | 50 | | A MODERN GLASS HOUSE. HERMANSEN’S CONTINUOUS RECUPERATIVE GLASS-MELTING FURNACE, COVERED POT TYPE | 52 | | | HERMANSEN’S CONTINUOUS RECUPERATIVE GLASS-MELTING FURNACE, 8-POT TYPE | 53 | | HERMANSEN FURNACE— | | | FIG. A. SECTION THROUGH GAS PRODUCER | 54 | | FIG. B. CROSS SECTION THROUGH GAS PRODUCER | 55 | | FIG. SECTIONAL PLAN | 56 | | “THE HARLINGTON” BOTTLE-MAKING MACHINE | 79 | | | GLASS WORKER’S CHAIR | 81 | | | GLASSWARE BLOWN IN MOULDS, FIG. A. AND B. | 85 | | | VERTICAL CRACKING-OFF MACHINE | 87 | | | FOUR STAGES IN CROWN GLASS MAKING (A, B, C, D) | 90 | | | SIX STAGES IN SHEET GLASS MAKING (A, B, C, D, E, F) | 91 | | | MACHINE FOR SMOOTHING BOTTOMS OF TUMBLERS | 110 | | | GLASS ENGRAVING | 113 | |
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