| Central Dyestuff and Chemical Company Newark, New Jersey |
ColorantsHistory.Org
| Rare Photos of Central Dyestuff and Chemical Co. Plant in Newark, NJ taken during WW I. The company manufactured dyes which could no longer be imported from Germany. Source: "Man and His Machines", The World's Work, May 1916, p. 121 |
Top left: Vats for red and black coal-tar dyes. Top right: Scraping dye out of the filter press in preparation for drying kiln.
Center: Worker cleaning out a dye tank.
Bottom left: An intermediate coal-tar product being baked. Bottom right: Worker taking a coal-tar product out of a filter press.
Center: Worker cleaning out a dye tank.
Bottom left: An intermediate coal-tar product being baked. Bottom right: Worker taking a coal-tar product out of a filter press.
Top left: Taking dyes out of grinders. Top Right: Aniline oil separators.
Center: Dried dyes prior to being ground to a powder.
Bottom left: View of filter press. Bottom right: Worker shoveling intermediate for next step of operation.
Center: Dried dyes prior to being ground to a powder.
Bottom left: View of filter press. Bottom right: Worker shoveling intermediate for next step of operation.
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