Review of O. Gregory’s Treatise on Mechanics. 81 
the weight sustained by it, will be inversely proportional to 
the length of the cord. | 
ifferent forms. Considering the triteness, and tediousness 
of this subject as handled by most writers on mechanics, 
and that the author’s sole object must have been to select 
om allof them, we think he has done this with aangmens 
if we except the solutions in articles 118, 121; the first is 
circuitous, formal, and prolix,and in the author’s usualsty le 
elaborating every thing; the latter is erroneous either in 
the premises. or conclusion; it is rather a jumble of two 
different solutions. ; 
Vol. VII.—No. 1. 11 
