Smithsonian Report, l935.--Bleriot 



PLATE 3 



1. Armstrong Seadrome. 



Completed seadrome with all equipment installed being towed to sea to anchorage site. Structure in shal- 

 low draft condition. The draft in the open ocean will be increased to about 50 feet to give maximum 

 stabiUty. At towing draft, the deck will be 130 feet above the water line. Light draft displacement 

 approximately 40,000 tons. The towing tugs will be assisted by the four propellers of the seadrome 

 totaling 2,000 horsepower. 



2. Armstrong Seadrome. 



Beacon station anchored on ocean air route, equipped to give rescue service, radio direction, and weather 

 information. Length 218 feet, width 112 feet, draft on service duty 180 feet, towing or light draft 26 feet. 

 Displacement when anchored on service duty 2,460 tons. 



