TRANSACTIONS OF SECTION G. 697 



SATURDAY, AUGUST 17, 1878. 



The Section did not meet. 



MONDAY, AUGUST 19, 1878. 

 The following Papers were read : — 



1. Report of the Committee on the Patent Laws. 

 See Reports, p. ]57. 



2. Report of the Committee on the use of Steel for Structural Purposes. 



See Reports, p. 157. 



3. Report of the Committee on the Steering of Screw Steamers. 

 See Reports, p. 419. 



4. On the Steering of Screw Steamers. 



By Professor Osborne Reynolds, F.R.S. 



Incorporated in the Report of the Committee on the same subject. 



•6. General Results of some recent Experiments upon the Co-efficient of Fric- 

 tion between Surfaces moving at High Velocities. By Captain Douglas 

 Galton, C.B., F.R.S. 



See above, p. 438. 



6. Recent Improvements in Telegraphic Apparatus. By W. H. Preece. 



7. The Filtration of Salt from Sea Water into Wells in the Trias Sandstone. 



By I. Roberts. 

 See above, p. 532. 



8. Description of a new Lift Bridge for the Midland Great Western Railway, 

 over the Royal Canal at Newcomen Bridge, Dublin. By Bindon B. 

 Stoney, M.A., M. Inst. C.E. 



This bridge carries a short branch of the Midland Great Western Railway of 

 Ireland across the Royal Canal immediately below Newcomen Bridge, at the very 



