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Subject Dyes and dyeing--Equipment and supplies Remove constraint Subject: Dyes and dyeing--Equipment and supplies

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    • circa 1960

    General view of the Customer Service and Quality Control Laboratory at the Althouse Chemical Company plant in Reading, Pennsylvania. The employees visible in the photograph are, from left: Tom Margolillo; Dot Bowen;…

    • 1951

    View of Thomas Manzolillo examining a roller used to hold fabric in place for the application of dyestuffs. In this typical dye process, fabric is rolled through a trough of dye and then pressed between two heavy…

    • circa 1951

    View of James Feeman (left) and George Garcelon (right) operating assorted equipment for the application of dyestuffs. This photograph was taken at the Althouse Chemical Company Customer Service and Quality Control…

    • 1952

    View of dyeing technicians working in the Customer Service and Quality Control Laboratory at the Althouse Chemical Company plant in Reading, Pennsylvania. The technicians are engaged in a skein dyeing process whereby…

    • 1952

    General view of assorted machinery in the Customer Service and Quality Control Laboratory at the Althouse Chemical Company plant in Reading, Pennsylvania. At center, employees Robert Wither (left) and Carroll Dick…

    • 1952

    View of dyeing technicians working in the Customer Service and Quality Control Laboratory at the Althouse Chemical Company plant in Reading, Pennsylvania. The technicians are engaged in a skein dyeing process whereby…

    • 1951

    General view of the Research Laboratory at the Althouse Chemical Company plant in Reading, Pennsylvania showing various equipment and apparatus used for the production and testing of dyestuffs. At left, George Garcelon…

    • 1951

    General view of the Research Laboratory at the Althouse Chemical Company plant in Reading, Pennsylvania showing various equipment and apparatus used for the production and testing of dyestuffs.

    Based in Reading,…

    • 1951

    General view of the Research Laboratory at the Althouse Chemical Company plant in Reading, Pennsylvania showing various equipment and apparatus used for the production and testing of dyestuffs.

    Based in Reading,…

    • 1952

    General view of the shipping and storage room at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. Several rows of drums, presumably containing dyestuffs ready for shipment, are visible, while…

    • 1952

    General view of the shipping and storage room at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. Several rows of drums containing dyestuffs prepared for shipment fill the room. Various dye…

    • 1946

    View of the double conical blenders at the Althouse Chemical Company manufacturing plant located in Reading, Pennsylvania. Employees Howard Myers (left) and Warren Kalbach are seen filling drums with dye powder from the…

    • 1946

    View of employees loading dye paste onto dryer trays at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. As part of the manufacturing process, the trays were later inserted into the…

    • 1946

    View of a control panel used to regulate the air pressure in the blow cases at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. Housed in the Press Room, blow cases were used for blowing dye…

    • 1946

    General view of the Press Room at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. Employees are seen removing press cake from the filter presses to transfer them to the buggies at the center…

    • 1946

    General view of the Press Room at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. Employees are seen removing press cake from the filter presses to transfer them to the buggies at the center…

    • 1946

    General view of the heating tubs at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. At left, an unidentified employee is seen using a Hastelloy pipe and jet to pump high-pressure steam into…

    • 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…

    • 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…