LECTURES TO THE OPERATIVE CLASSES. 



XC111 



LECTURES TO THE OPERATIVE CLASSES. 



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

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

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



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.R.S 



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

 Commander Cameron, C.B.... 



VV. H. Preece 



W. E. Ayrton 



H. Seebohra, F.Z.8 



Prof. Osborne Reynolds, 



F.R.S. 

 Dr. John Evans, Treas. R.S. 



Subject of Lecture 



Sir F. J. Rramwell, 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 



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. Soilas, F.R.S. ... 



Dr. A. H. Fison 



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



Dr. H. O. Forbes 



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



Prof. S. P. Thompson, F.R.S. 

 H J. Mackinder, M.A 



Prof. L. C. Miall, F.R.S. ... 

 Dr. J. S. Flett 



Dr. J. E. Msirr, F.R.S 



Prof. S. P. Thompson, F.R.S. 



Prof. H. A. Miers, F.R.S 



Dr. A. E. H. Tutton, F.R.S. 

 C. T. Heycock, 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 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- 

 Hakes. 



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. 

 Electricity in the Industries. 

 The Movements of Men by Land 



and Sea. 

 Gnats and Mosquitoes. 

 Martinique and St. Vincent : the 



Eruptions of 1902. 

 The Forms of Mountains. 

 The Manufacture of Light. 

 The Growth of a Crystal. 

 The Crystallisation of Water. 

 Metallic Alloys. 



