VIII. 
CONTENTS. 
List of Plates. 
TO FACE 
PAGE 
Trajectory of 3-Pr. Q,.F. Hotchkiss Gun, with Ordinates exaggerated 30 
times (P = 30) . 230 
Nitro-Glycerin Factory .,... 280 
Woolwich in 1698 ..... 294 
Concentrating the Fire of a Group of Guns. Diagram A. ......... 310 
Isle of Minorca..... 536 
Plan of Harbour of Mahon ..... 538 
The Island of Lobau. Showing Napoleon’s Entrenchments, and also those 
of the Austrians before the Battle of Wagram in the year 1809. 585 
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