SWORD SWALLOWER, c1955
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Jonas Edward Salk
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Nerve Tubes And Cells
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Pneumatic Tubes, 1943
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Post Office Pneumatic Tube
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Robert Koch: Bacilli, 1890
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Sir Joseph John Thomson (1856-1940)
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Silent Still: Laboratories #1
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Silent Still: Laboratories #7
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Toothpaste Ad, 1945
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London: Underground, 1910
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Geuricke: Thermometer
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Marrow Trumpet, 1723
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Joseph Priestley (1733-1804) #1
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Dalence: Thermometer
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John Dalton (1766-1844) #1
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Ireland: Vaccination, 1880
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Respiratory System
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Marrow Trumpet, 1723 #1
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Respiratory System #1
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Guericke: Thermometer
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Crookes: Apparatus
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Post Office, 1863
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Chemical Laboratory, 1873 #1
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Chinese Trumpet, 1723
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Ireland: Vaccination, 1880 #1
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World War II: Bomb Shelter
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TYPHOID: VACCINE, c1917
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TYPHOID: VACCINE, c1917 #1
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TYPHOID: VACCINE, c1917 #2
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World War II: Thunderbolt
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World War I: Poster
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Ad Toothpaste, 1919
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Ad Art Supplies, 1890 #1
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Ad Toothpaste, 1919 #1
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Whiskey Testing, 1920
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Underground Railway, 1864
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Louis Pasteur (1822-1895) #15
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Alchemists At Work
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Emil Fischer (1852-1919)
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Electricity Experiment #1
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Sir Joseph John Thomson (1856-1940) #1
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Missouri Salesman, 1938
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Pennell Charing Cross, 1890
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George Washington Carver (1864-1943) #7
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PITTSBURGH FACTORY, c1905
Unknown
Silent Still: Laboratories #4
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Korean War: Rocket
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Robert Koch (1843-1910) #3
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New York: Electricity, 1882
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Robert Koch: Bacilli, 1890 #1
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Pyrophone Pipes, 1875
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Thomas Edison (1847-1931) #4
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Underground Railway, 1860
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Voice Amplifier, 1723
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Hearing Aid, 1900
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Ad Art Supplies, 1890
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Whiskey Testing, 1920 #1
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Louis Pasteur (1822-1895) #13
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Physics Apparatus, 1879
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World War I Submarine #5
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Astronomy, C1250 #1
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Copper Tubing, C1942
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Howard University Lab
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