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Research, Industrial

 Subject
Subject Source: Library of Congress Subject Headings

Found in 1 Collection or Record:

Philadelphia Quartz (PQ) Company records

 Collection
Accession: 1865
Abstract:

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.

Dates: 1733-1983; Majority of material found within 1831-1981