lxxv 
LECTURES TO THE OPERATIVE CLASSES. 
Date and Place 
Lecturer 
Subject of Discourse 
1867. 
1868. 
1869. 
1870. 
1872. 
1873. 
1874. 
1875. 
1876. 
1877. 
1879. 
1880. 
1881. 
1882. 
1883. 
1884. 
1885. 
Norwich ... 
Exeter 
Liverpool... 
Brighton ... 
Bradford .. 
Belfast 
IBTISHOl se... 
Glasgow ... 
Plymouth.. 
Sheffield 
Swansea ... 
York 
eeeees 
Southamp- 
ton. 
Southport 
Montreal ... 
Aberdeen.. 
1886. Birmingham 
1887. 
1888. 
1889. 
1890. 
1891. 
1892. 
1893. 
1894. 
1895. 
1896. 
1897. 
1898. 
Manchester 
Newcastle- 
upon-Tyne 
Leeds 
Cardiff ...... 
Edinburgh 
Nottingham 
Oxford...... 
Ipswich ... 
Liverpool... 
Toronto 
Bristol 
.|C. W. Siemens, D.C.L., 
.|W. H. Preece 
...|W. EH. Ayrton 
.|H. B. Dixon, M.A. 
.|Dr. H. O. Forbes 
| Prof. J. Tyndall, LL.D., F.R.S. | 
Prof. Huxley, LL.D., F. B.S. 
Prof. Miller, M.D., F.R.S. ... 
SirJohn Lubbock, Bart.,F.R.S 
W.Spottiswoode, LL.D. sf .R.S. 
L., F.R.S 
Prot.Odling WR Stsccccessecs. 
Dr. W. B. Carpenter, F.R.S. 
Commander Cameron, C.B.. 
see e eee wer eeeeeee 
H. Seebohm, F.Z.S8. ............ 
Prof. Osborne Reynolds, 
E.R.S. 
John Evans, D.C.L.,Treas. B.S. 
Sir F. J. Bramwell, F.R.S. ... 
Prof. R. S. Ball, F.R.S....... 
Prof. W. C. Roberts-Austen, 
FE.R.S. 
Prof. G. Forbes, F.R.S. ...... 
SirJohn Lubbock,Bart.,F.R.S. 
B. Baker, M.Inst.C.E. ......... 
Prof. J. Perry, D.Sc., F.R.S. 
Prof. S. P. Thompson, F.R.S. 
Prof. C. Vernon Boys, F.R.S. 
Prof. Vivian B. Lewes......... 
Prof. W. J. Sollas, F.R.S. 
Drs eA HWISOM, « sccsesateeans sce 
Prof. J. A. Fleming, F.R.S.... 
rer Prrerrr) 
Prof. E. B. Poulton, F.R.S. 
Matter and Force. 
A Piece of Chalk. 
The modes of detecting the Com- 
position of the Sun and other 
Heavenly Bodies by the Spectrum. 
.| Savages. 
Sunshine, Sea, and Sk 
5.| 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 Electricity—Tclephones. 
.| Comets. 
The Nature of Explosions. 
The Colours of Metals and their 
Alloys. 
Electric Lighting. 
The Customs of Savage Races. 
The Forth Bridge. 
Spinning Tops. 
Electricity in Mining. 
Electric Spark Photographs. 
Spontaneous Combustion. 
...|Geologies and Deluges. 
Colour. 
The Earth a Great Magnet. 
New Guinea. 
The ways in which Animals Warn 
their enemies and Signal to their 
friends. 
