PLATE 
vi 
XXIV* { Illustrating Mr J. B. Hannay’s Paper on a Method of Determining the Cohesion 
XXV. 
XXVI. 
XXVII. 
XXVIII. 
XXIX. 
XXX. 
XXXII. 
XXXII. 
XXXII 
XXXIV. 
XXXVI. 
XXXVIII. 
XXXIX. 
XL. 
of Liquids, 
Illustrating Messrs Alexander Macfarlane and P. M. Playfair’s Paper on the 
{ Disruptive Discharge of Electricity . : : 
\ 

Illustrating Professor Fleeming Jenkin’s Paper on the Application of Graphic 
| Methods to the Determination of the Efficiency of Machinery, 
| Illustrating Paper on the Harmonic Analysis of certain Vowel Sounds, by Pro- 
| fessor Fleeming Jenkin and J. A. Ewing, B.Sc., 
Illustrating Paper on Colour, in Practical Astronomy, ee examined, 
by Piazzi Smyth, Astronomer Royal for Scotland, 
703 
74 
5 
9 
