Identity elements
Reference code
Name and location of repository
Level of description
File
Title
Schnackenberg's Invention
Date(s)
- 1972-1973 (Creation)
Extent
box 13, file 3
Name of creator
(1917-1973)
Content and structure elements
Scope and content
Correspondence and informational materials relating to Dr. Schnackenberg’s invention of a safety device for vehicles.