Title Page
ID: SIL14-52504-0001
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Tolles's Student's Microscope
ID: SIL14-52504-0006
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Tolles's Large Microscope
ID: SIL14-52504-0008
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Tolles's Patent Traverse Lens, Radial Arm, and Condenser
ID: SIL14-52504-0010
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