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Photograph of steam engine on testing block showing throttle at 1, intake 2, and exhaust 3, early 20th century

 Item — Folder: 455
Identifier: 4337.8457a

Description

Folder 455

Dates

  • early 20th century

Language of Materials

From the Collection:

Materials in English

Access Restrictions

Available by appointment only at the Helmerich Center for American Research (HCAR) with the exception of materials with donor restrictions. Contact Library staff in advance to inquire if materials exist pertaining to your research interests.

Extent

From the Collection: 500 item(s)