Ixx 



UEPOiiT — 1892. 



LECTURES TO THE OPERATIVE CLASSES. 



Date and Place 



1867. Dundee 



1868. Norwich ... 



1869. Exeter 



1870. Liverpool- . 



1872. Bria-hton ... 



1873. Bradford ... 



1874. Belfast 



1875. Bristol 



1876. Glasgow ... 



1877. Plymouth... 



1879. Sheffield ... 



1880. Swansea ... 



1881. York 



1882. Southamp- 



ton. 



1883. Southp-irt 



1884. Montreal ... 



1885. Aberdeen... 



1886. Birmingham 



1887. Manchester 



1888. Bath 



1889. Newcastle- 



upon-Tyne 



1890. Leeds 



1891. Cardiff 



1892. Edinburtrh 



Lecturer 



Prof. J. Tvndall, 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. 



Prof. Odling, F.R.S 



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

 Commander Cameron, C.B., 



R.N. 



W. H. Preece 



W. E. AjTton 



H. Seebohm, F.Z.S 



Prof. Osborne Reynolds, 



F.R.S. 

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



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



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



H. B. Dixon, M.A 



Prof. W. C. Roberts-Austen, 



F.R.S. 



Prof. G. Forbes, F.R.S 



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



F.R.S. 

 B. Baker, M.Inst.C.B 



Subject of Discourse 



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. 

 I Fuel. 

 i 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 — Telephones. 



Comets. 



The Nature of Explosions. 



The Colours of Metals and their 

 Alloys. 



Electric Lighting. 



The Customs of Savage Races. 



The Forth Bridge. 



Prof. J. Perry, D.Sc, F.R.S. Spinning Tops. 



Prof. S. P. Thompson, F.R.S. | Electricity in Mining. 



Prof. C. Vernon Boys, F.R.S. i Electric Spark Photograph.s. 



