BY R. W. H. HAWKEN. 97 
and it will be seen at once from (2) above that 
n 
Varo COS Ma HOPE ICUS wiatteleicte se eee ee ees (5) 
9 
n? EI 
ere ae MONI, WEISS da ee eb cee seem se es (6) 
(I')? 
A solution was first deduced* as if it were a separate 
problem from that of Euler by Prof. R. H. Smith, in 1878, 
-who left it in the form 
l ie 
(yi te)=(ate) — Cos ~— se aeeeeeccecceees (7) 
2 EI 
Rie. 2; 
Prof. Smith wrote his paper to express the view that 
there was no such thing as perfectly central loading, and 
‘that the correct case to consider for any column was for 
an eccentric load; he went on to use his equation to 
deduce some results which are probably correct, but he 
*Proc. Edinburgh and Leith Engineering Society, 1878. 
H 
