Construction paper was marketed to teachers in school supply catalogs and subsequently introduced to classrooms in the late 19th century. These catalogs noted that the papers were “engine colored,” meaning they were colored in a vat, a process that allowed the dyes to mix directly with the pulp of the
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Pittsburgh Glass Center - Celebrate Black History Month with this special mosaic kit. All proceeds from the sales of this kit will benefit our community partner, Brothers and Sisters Emerging (BASE) in
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