4 Free Photos of Technology In The 1890s

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Pasteur Germ Proof Filter, c. 1890, Pasteur-Chamberland Filter Co., Dayton, Ohio - Museum of Science and Industry (Chicago) - DSC06633
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Pierre Samuel du Pont MIT Bachelor of Science degree in Chemistry - Heritage Exhibit - Longwood Gardens - DSC00934
massachusetts institute of technologyself-published work
Crane for placing exhibits, Mines and Mining Building LCCN2003671083
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Concours régional - Fonds Trutat - MHNT.PHa.659.T.034
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