CONTENTS. XIX 



WJSBjYUSBAY, august 30. 



Page 



1. Report of the Committee on Screw Gauges 672 



2. Torpedo-boats. B}' J. Donaldson, M.Inst. C.E 672 



3. Current Meter Observations in the Tidal Compartment of tlie Thames. 



By Professor W. C. Unwin, M.I.C.E 676 



4. An Apparatus for recording the results of Experiments with Itailwaj^ 

 Braies. By Sir Frederick Bramwell, F.R.S 677 



5. On a combined Gas Motor and Cold Air Machine. By J. J. Colmax 678 



0. Collapsible Boats. By E. L. Berthon 678 



7. The Pressure of Wheat stored in Elongated Cells or Bins. Bv Isaac 

 Roberts, F.G.S '. 678 



INDEX 070 



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