Proc. Wash. Acad. Sci., Vol. VIII. 



Plate XIX. 

 1 



The French Military Dirigible, " Patrie," in flight. 



The latest French airship. " La Patrie," is ,i,v, feet in diameter by 196 feet long, and has a capacity ot 111,195 cubic feet. 

 Driven by a 70-horsepower motor and two propellers, this dirigible has recently made about 30 miles an hour. Its 

 lifting capacity is 2,777 pounds. Illustration from the Scientific American. 



The New Deutsch Airship, " Ville de Paris," the latest dirigible balloon. 



The peculiar arrangement of twin, hydrogen-filled cylinders forms a sort of balancing tail. This airship has a length 

 of 60 meters (196.85 feet) and a diameter of 10. S meters (35.43 feet) while its capacity is 3,000 cubic meters (105,943 cubic 

 feet). Its propellers are placed on either side of the body framework, or " nacelle," and at about the center of the 

 latter, which is boat-shaped. The weight which can be carried, outside of the equipment and the fuel sufficient for 

 a ten hours' run, is about 1,100 pounds. A 70-horsepower Panhard motor is used. Illustration from the Scientific 

 A merican. 



