XViii CONTENTS. 



Section G.— MECHANICAL SCIENCE. 



THURSDA Y, A UG UST 24. 



Page 



Address by John Fowler, O.E., E.G.S., President of the Section 655 



1. On the Forth Bridge. By B, Bakeb 663 



2. On the Treatment of Steel for the Construction of Ordnance and other 

 purposes. By Sir William A.hmstrong, C.B., F.R.S G6S 



3. On the increased Tenacity in perforated Test Bars of Steel and Iron. By 



T. Wbighison, M.I.C.E 664 



FRIDAY, AUGUST 25. 



1. Report of the Committee on Patent Legislation 664 



2. The Channel Tunnel. By J. Clarke Haavkshaw, M.A.,F.G.S.,M.LC.E. 664 



3. A System of Excavating the Channel Tunnel by Hydraulic Machinery. 



By T. R. Crampton 664 



4. Improved Continental Communication. By James Abernetht, C.E. ... 665 



5. On Unsteady Motion in Open Channels. By Major Allan Cunningham, 



R.E 665 



6. Convexity of Surface of Streams. By Major Allan Cunningham, R.E. 665 



7. Depression of Maximum Velocity. By Major Allan Cunningham, R.E. 665 



MONDAY, AUGUST 28. 



1 On Compressed Air as applied to Locomotion. Bv Sir Frederick 

 Bramwell, r.R.S '. 666 



2. Recent Progress in Telephony. By W. XL Preece, F.R.S 666 



3. On a new Arc Lamp. By W. II. Preece, F.R.S 667 



4. Recent Progress in Electric Railways. By Dr. Fleming 667 



5. On Electric Light Engineering. By Dr. Fleming 667 



6. On the Efficiency of the Edison Steam Dynamo. By Dr. Fleming 667 



7. On some Apparatus for use in connection with Electric Light Measure- 



ment. By Robert Sabine 667 



8. On a new form of Arc Lamp. By Professor G. Forbes, M.A., F.R.S.E. 668 



9. On the Laws defining the strength of Current which can be sent through 

 Wires of different diameters without raising the external temperature 

 above a certain limit. By Professor G. Forbes, M. A., F.R.S.E QQB 



TUESDAY, AUGUST 29. 



1. Report of the Committee on Wind Pressure 668 



2. On the Mechanical Properties of Aluminium. By W. H. Barlow, F.R.S. 668 



3. On the Southampton Docks. By A. Giles 669 



4. On the Reclamation of Brading Harbour. By R. F. Grantham, Assoc. 

 M.Inst. C.E 669 



5. Improvements in Gas Illumination. By W. Sugg 669 



6. On Sound Signals. By E. Price Edwards 670 



7. Some of the Causes of Collision at Sea. By Captain Colomb, R.N 670 



8. On the Engine Power Meter. By C. Vernon Boys 672 



