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Electrocardiograph by Charles Boulitte, 1928...
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Lot of Medicine and Apothecary Utensils...
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Gold and Gemstone Scale, c. 1900...
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Accessories for Demonstration Goniometer afte...
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Islamic Astrolabe, Early 20th Century...
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Columbus Celestial Globus, c. 1955...
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Winter-Type Electrical Machine, c. 1870...
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Winter's Pattern Electrostatic Machine, c. 18...
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Wheatstone Bridge, c. 1880...
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1 Kenotron and 2 X-Ray Tubes, c. 1925...
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Spark Inductor and Vacuum Scale...
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2 Concave Mirrors for Experiments with Radian...
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Three-Tone Gong, c. 1935...
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Optica Table Cinematograph, c. 1925...
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Right-Hand and Left-Hand Bauer B8 Projectors,...
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Wehrmacht Traveling Cinema Bauer Sonolux II, ...
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2 Children's Projectors for 16mm Loops, c. 19...
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Krupp-Ernemann Table Projectors, c. 1922...
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Traveling Cinema Box, c. 1925...
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Melior Tabletop Projector, c. 1921...
