CONTENTS. XV 



Page 



Mr. W. Hope on the lEstory of the Shell that won the Battle of Sedan 219 



Mr. G. Lauder on Frictional Screw Motions 219 



Mr. J. H. Lloyd on Hammering and Stone-dressing Machinery 219 



Mr. Samuel J. Mackie on the Defence of Liverpool by Floating Forts 219 



Mr. William P. Marshall on the Martini-Henry and Westley-Richards 



Eifles ^-^ 



Mr. E. B. Martin on Boiler-Explosions 222 



Messrs. Reade and Goodison on the Construction of Sewers in Running 



Sand ^-- 



Professor Osborne Reynolds on an Oblique Propeller 222 



Captain Rowett on Ocean Telegraphy 224 



Alderman R. Rumney on the Ash-pit System of Manchester 224 



Mr. Robert Sabine, Pneumatic Dispatch.— On Pneumatic Transmission 



through Tunnels and Pipes 



227 



Mr. Michael Scott on a Submarine Ram and Gun 228 



on Ships of War of moderate dimensions 228 



_^ on the Machinery and Working of Submarine Gims . . 228 



Mr James N. Shoolbred on the Sewage of Liverpool and the Neighbour- 

 hood 228 



Mr. James Smith on Mechanical Stolring --'J 



Mr. W. E. Teale on a New Safety-lamp 329 



Mr. Percy Westmacott's Description of the Hydraulic Bucketting-engine 

 for the Herculaneum Graving-dock, Liverpool 229 



Mr. F. Wilson on Street Management 229 



APPENDIX. 



Lieut.-Colonel J. A Grant on the Vegetable Products of Central Africa 229 



1S70. 



