| Page | | DREAM OF AGES REALIZED | 9 | | Perpetual Force | 9 | | A Practical Invention | 10 | | A Truly Wonderful Invention | 10 | | What Does Perpetual Motion Mean? | 13 | | Napoleon’s Fatal Error | 13 | | Flying Machines Everywhere | 14 | | America! Land of Opportunities | 17 | | Stimulus to Inventive Genius | 17 | | Perpetual Motion, the Study of Ages | 18 | | When Nature Is Ready | 18 | | Other Natural Forces | 21 | | Variation of Temperature | 21 | | Nature’s Many Phenomena | 22 | | Nature’s Great Planetary Clockwork | 22 | | Heat the Source of All Power | 25 | | Heat—Expansion and Contraction | 25 | | SPECIFICATION | 29 | | BANGERTER’S ANNIVERSARY SELF-WINDING REGULATOR | 73 | | BANGERTER’S FIRE DETECTOR AND FIRE ALARM | 77 | | BANGERTER’S FIRE ALARM AND WATER SPRINKLER | 79 | | BRIEF BIOGRAPHY OF FRIEDRICH BANGERTER | 81 | | BANGERTER’S AUTOMATIC WATCH CHAIN MACHINE | 83 | | BANGERTER’S WRITING AND TALKING DOLL | 87 | | BANGERTER’S AUTOMATIC JEWELER | 91 | | BANGERTER’S AIRSHIP | 93 | | BANGERTER’S POWDERLESS GUN | 95 |
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