Fiberscope in 19th Century - 搜索图片

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These stethoscope were designed in the …
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STEREOSCOPE, 19th CENTURY Photograph by Granger - Fine Art America
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A late 19th century gilt brass field microscope by W.F. Stanley, heigh…
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19th Century Telescope

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A late 19th Century lacquered brass student's field monocular ...
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hansord.com
HANSORD ANTIQUES
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A late 19th Century gilt brass field monocular microscope, within a ...
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scienceheritage.com
Microscopes « Science Heritage

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University of Cambridge
Early 19th-century natura…
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Reflecting Telescope, 19th Century Photograph by Scienc…
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A 19th Century Stethoscope w…
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19th century microscope hi-r…

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