LECTURES TO THE OPERATIVE CLASSES. XXX 
LECTURES TO THE OPERATIVE CLASSES. 
Date and Place | Lecturer | Subject of Lecture 
1901. Glasgow .. HL. J. Mackinder, M.A Srdocanace| The Movements of Men by Land 
and Sea. 
1902. Belfast......| Prof. L. C. Miall, F.R.S. .|Gnats and Mosquitoes. 
1903. Southport.. . Dr. Vey oelletiinssescccvcceee nes Martinique and St. Vincent: the 
| Eruptions of 1902. 
1904. Cambridge..| Dr. J. E. Marr, F.R.S. .........| The Forms of Mountains. 
GOGOL OLE... ece.| Prof. 8. P. Thompson, F.R.S.;The Manufacture of Light. 
1907. Leicester... Prof. H. A. Miers, F.R.S.......|The Growth of a Crystal. 
1908. Dublin...... |Dr. A. E. H. Tutton, F.R. Ss. The Crystallisation of Water. 
1910. Sheffield . IC. T. Heycock, F.R.S. . | Metallic Alloys. 
1911. Portsmouth | 
Dee abies Huet te ae, don ome ysacese Rain. 
| 
PUBLIC LECTURES. 
Date and Place Lecturer Subject cf Lecture 
|e : gS eee odes. 
1912. Dundee ...| Prof. A. Fowler, F.R.S. ....../The Sun. 
Prof. E. C. K. Gonner, M.A. Bain and Wages. 
Prof. B. Moore, D.Sc. ......... Science and National Health. 
