161 
1914 - 15 ] 
The Theory of the Gyroscope. 
and is therefore of the kind shown in the annexed figure,* except that the 
ellipse would be much more elongated in proportion to its breadth. If the 
sense of the deviating force in various parts of the orbit be examined, it 
will be found that its tendency is on the whole to resist the rolling of 
the ship. 
* Where the rotation of the flywheel is supposed to be counter-clockwise as viewed 
from above. 
{Issued separately May 25, 1915.) 
VOL. XXXV. 
11 
