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Subject Dye industry Remove constraint Subject: Dye industry

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    • 1946

    General view of Martin Eby (left) using a portable pH meter at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. The photograph also shows several pieces of equipment used in the manufacture of…

    • 1950s

    Portrait of Dr. C. Scott Althouse (1880-1970), founder of the Althouse Chemical Company. A graduate of the Philadelphia Textile Institute (1900), Dr. Althouse worked with his father dyeing textiles before founding the…

    • 1946

    View of Martin C. Eby, Plant Manager, at the Althouse Chemical Company plant in Reading, Pennsylvania adding a chemical intermediate to a steel autoclave. At right, a barrel of intermediate sits on a portable scale.

    • 1946

    General view of the Production Department at the Althouse Chemical Company plant in Reading, Pennsylvania showing various equipment used in the production of azo dyes. Assorted equipment and apparatus visible in the…

    • 1946

    General view of the coupling tubs used for the manufacture of azo dyes at the Althouse Chemical Company plant in Reading, Pennsylvania. In a typical manufacturing process for azo dyes, coupling tubs are recessed in the…

    • after 1954

    Exterior of the Althouse Chemical Company manufacturing plant located at 540 Pear Street in Reading, Pennsylvania. The Althouse Chemical Company was founded in 1915 by C. Scott Althouse (1880-1970) as a small,…