America-Europe via North Atlantic airways over the Armstrong seadrome system of commercial ocean transit by airplane.
Caption-title: Commercial ocean transit by airplane; a proposed service--with capital cost estimates and operating expense, by Edward R. Armstrong . Mode of access: Internet.
Main Authors: | , |
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Format: | Text |
Language: | English |
Published: |
Wilmington, Del., The Armstrong seadrome development co.
1927
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Subjects: | |
Online Access: | http://hdl.handle.net/2027/osu.32435012343539 |
Summary: | Caption-title: Commercial ocean transit by airplane; a proposed service--with capital cost estimates and operating expense, by Edward R. Armstrong . Mode of access: Internet. |
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