212 L. HARGRAVE. 
aluminium | surfaces and draws the apparatus at the full stretch 
of the string and cord, through the 180° of arc to windward of 
the poles. The flag shows the wind to be horizontal, and the 
that is plainly visible in the photograph shows the soaring 
kite pulling about 20° to windward of the zenith. The wind was 
blowing at twelve or fourteen miles per hour, which was inadequate 
to effect the best pull the affair is capable of. 
The projected area of the two 
and eighty-nine square inches, and the cna is one + pound four 
