PAGE. TRANSVERSE SECTION OF THE BUILDING, SHOWING THE INTERIOR COMPLETED-- _frontispiece_. PLAN OF THE BUILDING FOR THE FRENCH EXPOSITION IN 1849 16 VIEW OF THE PRINCIPAL ENTRANCE OF THE SAME 17 INTERIOR VIEW OF THE "PALACE" 18 INTERIOR VIEW OF THE CATTLE-SHED 19 VIEW OF KROLL'S WINTERGARTEN AT BERLIN _facing_ 19 PLAN OF KROLL'S WINTERGARTEN 20 VIEW OF THE BIRMINGHAM EXPOSITION BUILDING 20 GROUND-PLAN OF THE DESIGN OF THE BUILDING COMMITTEE _facing_ 22 EXTERIOR VIEW OF THE SAME _facing_ 24 COMMON MODE OF GLAZING ROOFS 28 METHOD BY RIDGE AND FURROW 29 CUTTERS OF MR. PAXTON'S SASH-BAR MACHINE 30 THE VICTORIA REGIA HOUSE, CHATSWORTH 32 INTERIOR OF THE SAME 33 GROUND-PLAN OF THE BUILDING FOR THE EXHIBITION 34 VIEW OF ONE 24-FEET SQUARE BAY OF ROOF PARTLY COMPLETED 36 PORTION OF THE LOWER STOREY OF THE PRINCIPAL ELEVATIONS 37 VIEW OF THE INTERIOR OF THE TRANSEPT _facing_ 38 VIEW OF GLASS ROOF FROM THE LEAD FLAT _facing_ 39 GENERAL VIEW OF THE BUILDING FROM THE SOUTH-WEST _facing_ 40 THE EXTERNAL RAILING 40 SECTION OF THE PAXTON'S GUTTER, WITH THE STRONG SASH-BAR 41 THE CIRCULAR PLANING MACHINE 41 PORTION OF THE SAME SHOWING DETAIL 41 SECTIONS OF THE PAXTON'S GUTTER, SHOWING DIFFERENT STAGES IN THE MACHINE 42 THE GUTTER-CUTTING MACHINE 42 MACHINE FOR FINISHING ENDS OF GUTTERS AND RIDGES 43 MACHINE FOR CUTTING OUT SASH-BARS 44 THE SASH-BAR DRILLING MACHINE 45 PORTION OF THE SAME, ENLARGED 46 SECTION OF THE RIDGES, ETC 46 DIAGRAM OF 48-FEET GIRDER 48 DIAGRAM OF 72-FEET GIRDER 48 THE IRON DRILLING MACHINE 50 THE PUNCHING MACHINE AND SHEARS 50