XXIV CONTENTS. 



Page 



6. The recent Progress in Secondary Batteries. By Bernakd Drake and J. 



Marshall Gorham 813 



7. Electric Lighting- at Cannock Chase Collieries. By A. Sopwith 814 



8. Dynamos for Electro-Metallurgy. By Professor George Forbes, M.A.... 815 



9. On Distributing Electricity by Transformers. By Charles Zipernowsky 816 



TUESDAY, SEPTEMBER 7. 



1. Reportr of the Committee on the Endurance of Metals under repeated and 

 varying Stresses 817 



2. The Water Supply of Birmingham. By C. E. Mathews, F.R.G.S 817 



3. The Manufacture of Slack Barrels by Machinery on the English and 



American Systems. By A. Ransome 817 



4. The Sphere and Roller Mechanism. By Professor H. S. Hele Shaw and 

 Edward Shaw 818 



5. On a new System of Mechanism for Imparting and Recording Variable 

 Velocity. By W. Worbt Beaumont, M.lnst.C.E 818 



6. On Balanced Locomotive Engines. By T. R. Crampton 819 



WEDNESDAT, SEPTEMBER 8. 



1. On recent Improvements in Sporting Guns and their accessories. By 



Samuel B. Allport 820 



2. Recent Improvements in the Manufacture of Rifle Barrels. By Arthur 

 Greenwood, M.lnst.C.E 821 



3. The Birmingham Compressed-air Power Scheme. By J. Sturgeon 822 



4. The Welsbach System of G as-lighting by Incandescence. By Conrad W. 

 Cooe:e ^ 823 



6, Boiler Explosions. By E. B. Marten 823 



6 South Staffordshire Mines Drainage : 



(1) Surface Works. By E. B. Marten 824 



(2) The Drainage of the Tipton District. By E. Terry 824 



(3) The Drainage of the Old HiU District. By W. B. Collis 825 



Section H.— ANTHROPOLOGY. 



THURSDA Y, SEPTEMBER 2. 



Address by Sir George Campbell, K.C.S.I., M.P., D.C.L., F.R.G.S., 



President of the Section 826 



FRIDAY, SEPTEMBER 3. 



1. On the Native Tribes of the Egyptian Sudan. By Sir Charles Wilson, 

 K.C.B., F.R.S 833 



2. On the Dutch in South Africa. By Miss F. S. Alliott 834 



3. On the Celtic and Germanic Designs on Runic Crosses. By Professor 

 Boyd Dawkins, M.A., F.R.S., F.S.xl 834 



4. Notes on Natives of the Kimberley District, AVestern Australia. By 

 Edward T. Hardman, F.R.G.S.I 835 



