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Koch, Theodore

 Person

Biography

AEHS Donor

Found in 22 Collections and/or Records:

The Airplane Engine (First Edition, Second Impression), 1922

 Item — Special collection MC-19, Book: 079, Book: Catalog Number: TBD
Identifier: 20180007
Abstract PREFACE This volume attempts two things: to formulate existing knowledge of the functioning of the airplane engine and its auxiliaries; and to present and discuss the essential constructive details of those engines whose excellence has resulted in their survival. The material here collected is largely new; very little of it could have been written before the war and only a small fraction was available for publication before 1919. It is based mainly on the researches and engine developments...
Dates: Publication: 1922

"The Lift of Gases in Practical Balloon and Airship Operation" (Air Service Information Circular (Aerostation) Vol. I, No. 42), 1923-05-03, 1924-03-01

 Item — Box MC-019-001, Folder: 001.A.020
Identifier: 20172042
Scope and Contents

Document Type: Technical Research Report Authority: Government Military (authoritative reference) Document Number: Air Service Information Circular (Aerostation) Vol. 1, No. 42, dated March 1, 1924 (based on McCook Field Report Serial No. 2159, dated May 3, 1923)

Scope: Lighter-than-Air Section Report prepared by Ollie L. Lewis, Engineering Division, Air Service, McCook Field, Dayton, Ohio.

Contents: See title.

Dates: 1923-05-03; Publication: 1924-03-01