Date and Place 
"LECTURES TO THE OPERATIVE CLASSES. 
Lecturer 
li 
Subject of Discourse 
1872. Brighton ... 
(cont.) 
1873. Bradford ... 
1874. Belfast 
1875. Bristol ...... | 
1876. Glasgow ... 
1877. Plymouth.. 
1878. Dublin 
1879. Sheffield ... 
1880. Swansea... 
1881. York 
1882. Southamp- 
ton. 
1883. Southport 
1867. Dundee...... 
1868. Norwich ... 
1869. Exeter 
1870. Liverpool. 
1872. Brighton ... 
1873. Bradford ... 
1874. Belfast 
1875. Bristol ...... 
1876, Glasgow 
1877 Plymouth.. 
1879. Sheffield ... 
1880. Swansea ... 
1881, York 3 4c... 
1882. Southamp- 
ton, 
1883. Southport 
Prof. Wi. Ki. Clifford ...0..:<.c: 
Prof. W. C.Williamson, F’.R.S. 
Prof. Clerk Maxwell, F.R.S. 
Sir John Lubbock, Bart.,M.P., 
F.R.S. 
Prof. Huxley, F.R.S. ......... 
W.Spottiswoode,LL.D.,F.R.S. 
FE. J. Bramwell, F.R.S.......... 
Prof. Tait, F.R.S.E. 
Sir Wyville Thomson, F R. s. 
.|W. Warington Smyth, M.A., 
F.R.S. 
Prof? Odling, W.R.S). .bs6esee0s 
G. J. Romanes; EVL:S...:.....5. 
Prof. Dewar) HER. Ssiscs.cceecess 
We Crookes, HH. accessheness 
Prof. E. Ray Lankester, F.R.S 
Prof. 
F.R.S. 
Francis' Galton, FUR.S.........<. 
Prof. Huxley, Sec. R.S. 
W. Spottiswoode, Pres. R.S. 
Prof. Sir Wm. Thomson, F.R.8 
Prof. H. N. Moseley, F.R.S. 
Prof. R. S. Ball, F.B.8., 
Prof. J. G. McKendrick, 
.|W. H. Preece 
F.R.S.E. 
The Aims and Instruments of Scien« 
tific Thought. 
Coal and Coal Plants. 
Molecules. 
Common Wild Flowers considered 
in relation to Insects. 
The Hypothesis that Animals are 
Automata, and its History. 
The Colours of Polarized Light. 
Railway Safety Appliances. 
. | Force. 
The Challenger Expedition. 
The Physical Phenomena connected 
with the Mines of Cornwall and 
Devon. 
The new Element, Gallium. 
Animal Intelligence. 
Dissociation, or Modern Ideas of 
Chemical Action. 
Radiant Matter. 
.| Degeneration. 
W. Boyd Dawkins, | 
Primeval Man. 
Mental Imagery. 
|The Rise and Progress of Palzon- 
tology. 
The Electric Discharge, its Forms 
and its Functions. 
.| Tides. 
Pelagic Life. 
Recent Researches on the Distance 
of the Sun. 
Galvani and Animal Electricity. 
Lectures to the Operative Classes. 
Prof. J. Tyndall, LL.D.,F.R.S. 
Prof. Huxley, LL.D., F.R.S. 
Prof. Miller, M.D., F.R.S. ... 
..|Sir John Lubbock, Bart.,M.P., 
F.R.S. 
W.Spottiswoode,LL.D.,F.R.S. 
C. W. Siemens, D.C.L., F.R.S. 
Profs Odling: WiW.S:.sccsss-40s 
Dr. W. B. Carpenter, F.R.S. 
.../|Commander Cameron, C.B., 
R.N. 
W. E. Ayrton 
H. Seebohm, F’.Z.S. ............ 
Prof. Osborne Reynolds, 
E.R.S. 
John Evans, D.C.L. Treas. B.S. 
seen w newer eran eeee 
Sir F. J. Bramwell, F.R.S. 
c2 
Matter and Force. 
A Piece of Chalk. 
Experimental illustrations of the 
modes of detecting the Composi- 
tionof the Sun andother Heavenly 
Bodies by the Spectrum. 
Savages. 
Sunshine, Sea, and Sky. 
Fuel. 
The Discovery of Oxygen. 
A Piece of Limestone. 
A Journey through Africa, 
Telegraphy and the Telephone. 
Electricity as a Motive Power. 
The North-East Passage. 
Raindrops, Hailstones, and Snow- 
flakes. 
Unwritten History, and how to 
read it. 
Talking by Hlectricity—Telephones, 
