Gerhardt, W. F. (William Frederick), 1896-
Person
Dates
- Existence: 1896
- Usage: 1924-01-28
Found in 1 Collection or Record:
"The De Bothezat Barograph, Type A" (Air Service Information Circular (Aviation) Vol. V, No. 439), 1921-11-14, 1923-05-01
Item — Box MC-019-001, Folder: 001.A.017
Identifier: 20141444
Scope and Contents
Document Type: Technical Research Report
Authority: Government Military (authoritative reference)
Document Number: Air Service Information Circular (Aviation) Vol. V, No. 439 (dated May 1, 1923), based on McCook Field Report Serial No. 2089 (dated November 14, 1921).Scope: Report prepared by W. F. Gerhardt of the Airplane Section, Engineering Division, Air Service, McCook Field.Contents: See title. From page (1)
" Doctor de Bothezat designed his "pressure step"...
Dates:
1921-11-14; Publication: 1923-05-01