Identity area
Reference code
Hoyle/Box 39/7/2
Unique identifier
GB 275 Hoyle/Box 39/7/2
Title
Robert S. Blair, 'Art of an apparatus for ventilation'
Date(s)
- Dec 1962 (Creation)
Level of description
Item
Extent and medium
5p paper
Context area
Name of creator
Repository
Archival history
Immediate source of acquisition or transfer
Content and structure area
Scope and content
United States Patent 1,731,289, patented 15 Oct. 1929. Photocopy of printed patent.