liv 



REPORT 1881. 



Lectures to the Operative Classes. 



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 



i 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. 



Prof. Odiing, 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. 



Matter and Force. 



A Piece of Chalk. 



Experimental illustrations of the 

 modes of detecting the Composi- 

 tion of 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 Nortli-East Passage. 

 Raindrops, Hailstones, and Snow- 

 flakes. 



