PROCEEDINGS, 293 
IV. Two reading microscopes, constiaetes from a design by 
cm igh by the “Cambridge Scientitic Instru- 
= 
<a 9 
7 S 
—a 
sgaibiiand, designed by Professor Threlfall and H. 
Darwin, whereby it can be easily converted into 
a kathetometer microscope. 
A dividing engine, ce the “Société Genevoise pour la con- 
struction d’Instruments de Physique.” 
VI. Prof. Threlfall’s bande! of Caldw all's automatic microtome. 
(This machine is a copy of the first instrument of the 
kind ever made, and described in “ Balfour and Foster’s 
Embryology,” — ) 
VII. Apparatus to illustrate Professor Threlfall’s method of 
mounting series of sections on india-rubber films 
(Zoologisches noon ia 1883 
VIII. Series to illustrate a method proposed by Prof. Threlfall 
or mounting sections without coverslip. 
IX. Two “explosion gauges” used by Prof. Threlfall in his 
investigation on the direction of propagation of Pee 
effects in water. (Philosophical Magazine, Mare 
1886). 
X. Sundry toys, ¢g., vacuum tubes, Diamond Leyden jar. 
Holtz machine, &e. 
XI. Machine for crinding and goign seen and prisms. 
This machine is based on Nasmyth’s model, and was 
designed anid constructed by James Oak, F.R.A.S. It 
has already turned out a large number of mirrors, 
Dr. H. ae Ellis ‘ental a collection of pure culture apparatus, 
as used in a biological research laboratory. 
The undermentioned gentlemen same microscopes :—W. A. 
Haswell, M.A., B.Sc., H. J. Bolding, T. F. Wiesener, T. Gaunt 
& Co, F. B. Kyngdo nyt. Whitclegge, P. R. Podiey, H. 0. 
Walker, L. H. Delarue, Dr. Morris, Dr. Wright, Thos. S. J. Rigg, 
Dr. Ellis, Dr. W. C. Wilki Last, Rev. Hb: ae, Ges, 
Hodgkinson, Dr. Mackellar, Professor Liversidge, F.R.S., and 
the two instruments belonging to the Society. 
4 
WEDNESDAY, 3 NOVEMBER, 1886. 
C. Rorxeston, C.M.G., President, in the Chair. 
The minutes of the last meeting were read and confirmed. 
The following gentlemen were duly elected ordinary members 
Graham, James, M.A., M.B., C.M., Prince Alfred Hospital, 
Sydney. 
