| TO FACE PAGE | | The Spirit of Time | | | The Cave Man and the Moving Shadow | 16 | | Time Telling in the "Land Between the Rivers" | 32 | | The First Recorded Sun Dial | 40 | | The Clepsydra, or Water Clock | 56 | | Types of the Earliest Time Tellers | 64 | | Galileo Discovering the Principle of the Pendulum | 72 | | A Time Piece of the Middle Ages | 80 | | Ancestors of the Watch | 88 | | The First Pocket Time Piece | 96 | | The "Nuremburg Egg," the First Real Watch | 104 | | First Forms of the Watch | 112 | | Sixteenth Century Watches | 120 | | Late—In Spite of His Two Watches | 128 | | Seventeenth Century Watches | 136 | | The Swiss "Manufacturer" and a Craftsman | 144 | | The First Yankee Clock Maker | 152 | | "Grandfather's Clocks" | 160 | | Eighteenth Century Watches | 168 | | "Quantity Production" in 1850 | 176 | | A Glimpse of a Giant Industry | 200 | | Twentieth Century Watches | 208 | | Time Telling in the Dark | 216 | | Time Pieces Vital to Industry | 224 |
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