518 Proceedings of the Poyal Society of Edinburgh. [Sess. 
varied from 8 to 25 cms. Allowance was made for the fact that l in (1) 
and (2) are nearly, but not quite, equal, the centre of gravity being a small 
distance below the line joining the lower points of suspension. 
Axis. 
Values of h 
Dimensions. 
in cms. from 
Experiment. 
Cylinder (1) 
Perp. to length 
6-56 
6-58 
„ (2) 
55 55 
3-64 
3-64 
Circular Disc 
Perp. to diar. 
2-83 
2-82 
55 55 
Diar. 
2*02 
2-03 
Ring 
Perp. to diar. 
3-54 
354 
55 
Diar. 
2-52 
2-53 
Rectangular Plate 
Perp. to plane 
532 
5-32 
55 55 
55 55 
5-32 
5-32 
55 55 
Length 
2-09 
2-10 
55 55 
Width 
4-90 
4*91 
Fly-wheel 
Axle 
19-10 
18-83 
Physical Laboratory, 
University College, Dundee. 
{Issued separately , July 7, 1911.) 
