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Lanman & Kemp records
Lanman & Kemp was a multi-generational family firm of wholesale druggists in New York City. Their records document the operations of the wholesale drug business in the years before the development of modern pharmaceuticals. They also show the importance of New York City as a center for the import, export and re-export business and of London bankers in financing international trade and extending credit.
Philadelphia Quartz (PQ) Company records
Founded in 1831 as the Elkinton Company and later renamed, Philadelphia Quartz Company became an important innovator during World War I by discovering that silica gels could be used as a base to manufacture catalysts for cracking crude oil molecules to make high-octane gasoline and developing potassium silicate which was adopted for use in cathode ray tubes. The company's records includes business records and the personal papers of the company's founding family.