Johann Sebastian Bach, German Baroque #1
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The Emerald Tablet, 1618
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Laozi, Ancient Chinese Philosopher
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Sr-71 Blackbird, 1990s #1
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Lee Krasner, American Abstract Painter
Hans Namuth
Marcel Proust, French Author
Omikron
SR-71 Blackbird 1990s
NASA Science Source
Skipjack #2
James L. Amos
Vallecitos Nuclear Center, C. 1960
News Bureau, General Electric Company
Apollo Capsule Going In For Repairs
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Horse Carriage
James L. Amos
Earths Orbit Showing Months
Spencer Sutton
Pottery Wheel, Sequence #4
Ted Kinsman
Unloading A Titan Ivb Rocket
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Fingerprint #1
Dorling Kindersley
Children Looking At Fire Truck, C.1970s
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Work Train Caboose
Theodore Clutter
Works Of John Dryden, Title Page, 1693
Folger Shakespeare Library
Fyodor Dostoyevsky, Russian Author #1
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Endeavour Spacewalk
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Colonoscopy With Cancer and Polyp
Jim Dowdalls
Construction Workers Raising Steel
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Captured Confederate Soldiers, C.1860s
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Newark Newsboys, Lewis Hine, 1909
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Father Greeting Son After Work, C.1940s
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Northern Pacific Railroad Work Party
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Laozi, Ancient Chinese Philosopher #2
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Butcher, Medieval Tradesman #2
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Johann Sebastian Bach, German Baroque #3
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Doberman Pinscher Dog
John Daniels
Fingerprint #2
Dorling Kindersley
Belgian Draft Horse
Jean-Louis Klein & Marie-Luce Hubert
Engineers At Drafting Tables, C.1960s
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Men Working On Power Line, C.1930-40s
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Two Children Playing Doctor, C.1950s
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Sr-71 Blackbird, 1990s
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Laozi, Ancient Chinese Philosopher #1
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Child Playing Doctor With Dolls, C.1940s
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Annie Easley, Nasa Computer Scientist
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Nurse Using Digital Tablet With Binary
Ikon Ikon Images
Malaria Cycle
Monica Schroeder
Street Lamp, Assisi
Tim Holt
Wrought Iron Animals
Tim Holt
Wrought Iron Fence
Mark Harmel
Building The Transcontinental Railroad
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Man In Deep Sea Diving Suit, C.1940s
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Painting Declaration Of Independence
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Artwork Of Cassini Approaching Saturn
Nasa
Woman Hanging Laundry Out To Dry
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Woman On Lunch Break, C.1940s
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Replacement Of A Telephone Pole
Scimat
Worker On Telephone Pole
Scimat
Huygens Probe Separating
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Subway Construction, C. 1930
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Glass Blowing
James L. Amos
Brother And Sister Working In Yard
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Woman Ironing An Apron, C.1970s
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Steelworker
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Woman Working During Wwii, C.1940s
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Discovery Spacewalk #3
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Fyodor Dostoyevsky Russian Author
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Laozi, Ancient Chinese Philosopher #3
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Railroad Construction, Topeka 1870
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Pedometer #1
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Building The Transcontinental Railroad #1
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Grants Canal, 1862
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Julius Caesar, Roman General #12
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Fyodor Dostoyevsky, Russian Author #2
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