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0633672-Underwood Vintage Typewriter
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559756-Sholes 2nd Type Writing Machine
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1426825-Numerical Calculating Device-Slide Rule
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3863060-HP Handheld Calculator-9100A
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6336170-Mark Dean Development of Shared Memory
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31158022-West & Sessler Electroacoustic Transducer
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2988008-Wankel Rotary Piston Machines
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2682235-R Buckminster Fuller Geodesic Dome
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2543146-Tube Television
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2435952-Bennett Microscope
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1709659-Multiple-Electrode Vacuum Tube
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1105964-Printing Press
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1024897-Gearing
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395782-Hollerith Art of Compiling Statistics
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0383170-Iron-Building Construction
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0371207-Alexander Miles Elevator Improvements
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0271363-Ritty Cash Register and Indicator
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0252386-Lewis Latimer Process of Manufacturing Carbons
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310668-Radio_cassette-disk player-Boombox
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1729890-Boy Scout Signaling Device
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1453084-Golden Gate Bridge
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3079603-Depositing Machine-1st ATM
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5199-Hoe Rotary Printing Press
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174465-Telegraphy_Alexander Graham Bell
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0274207-Jan Matzeliger Shoe Lasting Machine
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