Skip to main content

United States of America Patent No. 3,860,202; Method and Apparatus for Dispensing Granular Material from Aircraft, Johnson, January 14, 1975

 File — Box: 9, Folder: 11
Identifier: MSA 25, Series 1, Sub-Series 6, File 108

Scope and Contents

From the Sub-Series: The papers are from throughout Johnson's career. Some are aviation related articles collected by him, some are authored by Johnson. Key correspondence is also included.

Highlights of the papers are Johnson's reports on "The National Army Air Maneuvers of 1931;" "Exposure – The Key to Flight Safety," which includes Johnson's designs; all weather and landing techniques; ice accumulation studies/de-ice issues; and papers authored by Johnson and published in Air Transport.

Dates

  • January 14, 1975

Access Information

The collection is open for research.

Extent

From the Sub-Series: 4.185 Cubic Feet (Ten letter-size full-width manuscript boxes and one legal-size full-width manuscript box)

Language of Materials

From the Series: English

Repository Details

Part of the Purdue University Archives and Special Collections Repository

Contact:
504 Mitch Daniels Boulevard
West Lafayette Indiana 47907 United States
765-494-2839