Ixvi 



HKl'OKT— 1889. 



LECTUKES TO THE OPERATIVE CLASSES. 



Date and Place 



18G7. 

 1868. 

 186'J. 



Dundee... 

 Norwich 

 Exeter ... 



1870. Liverpool 



1872. 

 1873. 

 1874. 

 1875. 

 1876. 



1877. 

 1879. 

 1880. 

 1881. 



1882. 



1883. 

 1884. 

 1885. 

 1886. 



1887. 

 1888. 



1889. 



Brighton 

 Bradford 

 Belfast . . , 

 Bristol .., 



Glasgow 



Plymouth 

 Sheffield 

 Swansea 

 York 



Subject of Discourse 



Southamp- 

 ton. 

 Southp ir 

 Montreal ... 

 Aberdeen ... 

 Birmingham 



Manchester 

 Bath 



Prof. J. Tyndall, LL.D., F.R.S. 

 Prof. Huxley, LL.D., F.R.S. 

 Prof. Miller, M.D., F.E.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. 



Prof. Odling, F.R.S 



Dr. W. B. Carpenter, F.R.S. 

 Commander Cameron, C.B., 



R.N. 



W. H. Preece 



W. E. Ayrton 



H. Seebohm, F.Z.S 



Prof. Osborne Reynolds, 



F.R.S. 

 John Evans, D.C.L.,Treas. R.S. 



Newcastle 

 upon-Tyne 



Sir F. J. Bramwell, F.R.S. ... 



Prof. R. S. Ball, F.R.S 



H. B. Dixon, M.A 



Prof. W. C. Roberts-Austen, 



•p T) (J 



Prof. G. Forbes, F.R.S 



Sir John Lubbock, Bart., M.P., 



B. Baker, M.Tnst.C.E 



Matter and Force. 



A Piece of Chalk. 



Experimental illustrations of the 

 modes of detecting the Composi- 

 tionof the Sun and other 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 Histoiy, and how to 

 read it. 



Talking by Electricity — Telephones. 



Comets. 



The Nature of Explosions. 



The Colours of Metals and their 

 Alloys. 



Electric Lighting. 



The Customs of Savage Races. 



The Forth Bridge. 



