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A brief history of timekeeping : the science of marking time, from Stonehenge to Atomic Clocks
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About time : a history of civilization in twelve clocks
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Pennsylvania clocks and watches : antique timepieces and their makers
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Repairing old clocks and watches
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Repairing & restoring pendulum clocks
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The grandfather clock maintenance manual
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Pennsylvania clocks and clockmakers; an epic of early American science, industry, and craftsmanship
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Clockmakers of Lancaster County and their clocks, 1750-1850
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The pocket watch : restoration, maintenance and repair
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It's about time!
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Clocks : repair and maintenance
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Clocks of the Susquehanna Valley 1750-1910 : published to accompany an exhibition at the Packwood House Museum 3 June through 3 September, 1989 and the National Association of Watch & Clock Collectors Museum 3 October, 1989 through 8 January, 1990
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Eli Whitney, great inventor
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LEO the maker prince : journeys in 3D printing
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Make : 3D printing projects
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Britten's old clocks and watches and their makers; a historical and descriptive account of the different styles of clocks and watches of the past in England and abroad containing a list of nearly fourteen thousand makers
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Queen of inventions : how the sewing machine changed the world
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Veteran sewing machines : a collector's guide
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American family farm antiques
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Totally Trucks Presents: Dirt Monsters
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The Way Things Work: Sensors
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The neurogeneration : the new era in brain enhancement that Is revolutionizing the way we think, work, and heal
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Planters
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The clock problem : how to tell time
