Doheny Stone Drill Company Working Paper - Practical Application of Electricity to Rotary Drilling, 1930

The series consists of materials from the Hydril Company, an oil well equipment manufacturing company bought by Frank Seaver in 1927. The company, previously called the Doheny Stone Drill Company, changed its name to Hydril in 1933, and was run by Seaver until his death in 1964. Materials in the series include correspondence, newspaper and magazine articles, working papers, advance bulletins, brochures, catalogs, financial reports, price lists, materials for Hydril salesmen, and technical drawings of drill parts. Also included are a large number of photographs depicting Hydril Company equipment and parts, manufacturing plants, oil well locations, Hydril employees, and oversized photographs including historic views of the Los Angeles Hydril property, Seaver with Edward Doheny at the first oil well in Los Angeles, the Hydril corporate building, and an example of a Hydril company stock certificate. Materials in the series span from 1927 to 1987.