Vlll 
CONTENTS. 
PAGE 
On the Validity of General Shrapnel’s claim to the Invention of Shells in 
which the true principle of Shrapnel Eire w T as first enunciated and applied. 
By Captain Vivian Bering Majendie, R.A., Captain Instructor, Royal 
Laboratory. 398 
Note on the Ratio between the Eorces tending to produce Translation and 
Rotation in the Bores of Rifled Guns. By Captain Noble, late R.A. From 
Philosophical Magazine, September, 1863 . 409 
Account of preliminary trial of a 600-pr. 13’3 in. M. L. wrought-iron, 
10 grooved shunt Armstrong rifle gun, under the direction of the 
O. S. Committee, Shoeburyness, 19th November, 1863. By Captain E. J. 
Bruce, R.A. 419 
LIST OE PLATES. 
Diagram shewing the initial velocities of a 12-pr. Armstrong projectile as a 
function of the weight of the charge. 
Diagram shewing the initial velocities of projectiles fired from a 12-pr. Armstrong 
gun as a function of the weight of the shot. 
Trajectories of 12-pr. Armstrong Gun, No. 224, fired with service charges. Two 
plates. 
Navez’s electro-ballistic instrument—Pendulum. 
„ ,, ,, Conjunctor. 
,, ,, ,, Disjunctor. 
Plate illustrating various methods of rifling service 32-pr. Guns of 58 cwt., diameter 
6-375 in., to test competitive systems of rifling. 
