by
Flack, Jerry D.
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Inventing, inventions, and inventors a teaching resource book / Flack, Jerry D.
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Krebs, Robert E., 1922-
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Groundbreaking scientific experiments, inventions, and discoveries of the ancient world Krebs
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Windelspecht, Michael, 1963-
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Groundbreaking scientific experiments, inventions, and discoveries of the 17th century Windelspecht
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Shectman, Jonathan, 1972-
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Groundbreaking scientific experiments, inventions, and discoveries of the 18th century Shectman
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Krebs, Robert E., 1922-
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Groundbreaking scientific experiments, inventions, and discoveries of the Middle Ages and the
by
Pitts, Barbara Russell.
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Inventions -- Handbooks, manuals, etc.
by
Brandes, Uta.
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Inventions.
by
Bailey, Lee Worth.
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Inventions -- History.
by
Cone, Robert J.
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TECHNOLOGY & ENGINEERING -- Inventions.
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Ebert, Christine, 1946-
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Inventions -- United States.
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Read, Kay Almere, 1944-
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endured relatively unchanged for thousands of years, others have appeared as new inventions drawing on
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Rens, Jean-Guy, 1946-
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Pt. 1. The Pioneering Era: Inventions and Impediments, 1846-1915. Sect. 1. Telegraphy. 1. The Birth
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