Ixxiii 



LECTURES TO THE OPERATIVE CLASSES. 



Date and Place 



1867. Dundee.. 



1868. Norwich 



1869. Exeter .. 



Lecturer 



1870. 

 1872. 

 1873. 

 1874. 

 1875. 

 1876. 

 1877. 

 1879. 

 1880. 

 1881. 



1882. 



1883. 

 1884. 

 1885. 

 1886. 



1887, 

 1888. 

 1889. 



1890. 

 1891. 

 1892. 

 1893. 

 1894. 

 1895. 

 1896. 

 1807. 

 1898, 



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

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

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



Liverpool... 

 Brighton ... 

 Bradford ...1 



Belfast 1 



Bristol ' 



Glasgow ... 

 Plymouth... 

 Sheffield ... 

 Swansea . . . 

 York 



Southamp- 

 ton . 

 Southport 

 Montreal ... 

 Aberdeen... 

 Birmingham 



Manchester 



Bath 



Newcastle- 

 upon-Tj'ne 



Leeds 



Cardiff 



Edinburgh 

 Nottingham 



Oxford 



Ipswich . . . 

 Liverpool. . . 

 Toronto ... 

 Bristol 



Subject of Discourse 



Sir John Lubbock,Bart.,F.R.S. 

 W.Spottiswoode,LL.D.,F.R.S 

 C. W. Siemens, D.C.L., F.R.S. 



Prof. Odling, F.E.S 



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

 Commander Cameron, C.B.... 



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. 



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



Prof. E. S. Ball, F.E.S 



H. B. Dixon, M.A 



Prof. \V. C. Eoberts-Austen, 

 F.R.S. 



Prof. G. Forbes, F.R.S 



Sir John Lubbock,Bart.,F.R.S. 

 B. Baker, M.Inst.C.E 



Prof. J. Perry, D.Sc, F.E.S. 

 Prof. S. P. Thompson, F.E.S. 

 Prof. C. Vernon Boys, F.R.S. 



Prof. Vivian B. Lewes 



Prof. W. J. Sollas, F.R.S. ... 



Dr. A. H. Fison 



Prof. J. A. Fleming, F.E.S.... 



Dr. H. O. Forbes 



Prof. E. B. Poulton, F.R.S. 



1900. Bradford...! Prof. S. P. Thompson, F.R.S. 



Matter and Force. 



A Piece of Chalk. 



Tlie modes of detecting the Com- 

 position of the Sun and other 

 Heavenly Bodies by the Spectrum. 



Savages. 



Sunshine, Sea, and Sky. 



Fuel. 



The Discovery of Osygen, 



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. 



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. 

 i Electricity in the Industries. 



