Page 1... Portraits, Mona Lisa, Last Supper

Page 2... Anatomy and Backwards Incription

Page 3... Lens Grinder, Multibarrelled Cannon, Turbine Blower

Page 4... Opaque Projector, Printing Press, Cantilever Bridge, Bombs

Page 5... Transmission, Scaling Ladder, Roller Bearings, Jack, Paddle Wheel

Page 6... Multidirection Cannon, Battle Tank, Valve, Drawbridge, Finned Projectiles, Spindle.

Page 7... Pump, Turbine, Nap-Raiser, Rock Crusher

Page 8... Ornithopter (airplane)

Page 9... Revolving Stage

Page 10... Ballista, Cannon, Flipper, Jet Ski, Car, Distillery

Page 11... Compound Machine, Cranes, Dredge, Drill

Page 12... Crossbows, Hygrometer, Mirror Grinders, Pile Driver

Page 13... Mortar, Parachute, Pillar Erector, Projectiles, Pulleys, Vice Grips

Page 14... Ideal City, Church, Sluice Gates, Drawbridge

Page 15... Vector Bridge, Screw Lathe, Bearings, Cloth Maker, Battle Tank

Page 16... Rotisserie, Sawmill, Polisher, Ship's Pump

Page 17... Lathe & Chuck, Screw Lathe, Clutch, Differential, Bridge, Fort

Page 18... Furnace, Breech Cannon, Drummer, File Maker, Quick Bridge

Page 19... Cordage Mill, Automatic Press, Tensile Strength Tester

Page 20... File Cutting Lathe

Page 21... Clock, Car, Odometer, Sextant

Page 22... Excavator, Pullies, Snorkel, Coin Mint, Double Hull

Page 23... Breach Loading Cannon, Steel Furnace, Drum, File Cutter, Vector Bridge