XV1 CONTENTS. 
Page 
Mr. W. Mor@an on an Improved Tuyere for Smith’s Forges .......... iad) 228 
Mr. Joun NevILxE on the means adopted for the Improvement of the Outer 
Navigable Channel of Dundalk Harbour.........ceeeeeeeenes tiiheks 220 
—_—_____——-_ on a new Construction for finding the Vertical Shearing- 
stress and the point of greatest Bending-moment in a Beam loaded in any 
THEY? 6 be Wie 5. clots eae cine aOR PIRES AL a tidinecis) dis.0.5\0.- Rie oa ah 229 
Mr. W. Sxaton’s Improved Patent Saddle-rail and Railway Permanent-way 
UST SNCS or pea nae nc a re RAPES AS a0 PR) ta bs 229 
Mr. W. Smrru on the Prevention of Railway Accidents and Automatically 
Recording the Movements of the Points and Signals and other Apparatus 
Of Railways. (ad cavvec de ds eves 2 eae DOT iaeie RCN sea ET Te 229 
Sir W. Tomson on Improvements in the Mariner's Compass .....,....+. 251 
Mr. F. H. Vartery and Mr. Epw. Furness on Power-Couplings for Rolling- 
MNS amd other Machiiory. ......0c+ so. s+ « ohiiais aipmeeible as tise 231 
Mr. ANDREW Wytry on Recent Improvements in Breech-loading Firearms... 232 
on the Breech-loading Firearms exhibited at Vienna in 
