( 
THE DRAGON-FLY, 
OR 
REACTIVE PASSIVE LOCOMOTION. 
A VACUUM THEORY OF 
AERIAL NAVIGATION, 
BASED ON THE PRINCIPLE OF 
THE FAN-BLOWER. 
TO WHICH IS APPENDED SOME REMARKS ON 
WATER AND ITS NAVIGATION. 
BY 
A DISCIPLE OF BACON. 
“ The tales of Antiquity—the poetical produdtions—the religious tenets—and even the Hidories of mod nations 
“ fhow that to acquire the Art of Flying, or of imitating the birds, has been the earned dedre, and has exercifed the 
“ genius of mankind in every age .”—Hiflory and Pr alike of Aerofation, by Tiberius Ca-vallo , F.R.S. London, 1785. 
Wade marks the imperfedi: works- of man : 
Economy the perfedt works of God. 
(author's oEtution.) 
LONDON: 
CHARLES WHITTINGHAM AND CO., CHISWICK PRESS, 
TOOKS COURT, CHANCERY LANE. 
1882. 
\_All rights referved .] 
( ^[WTHSoTh^' 
JUH Z S 2017 
