CONTENTS. 
page 
Memoir of General Sir Robert William Gardiner, G.C.B., K.C.H. (Commu¬ 
nicated by the Secretary, R.A.I.) . vii 
From Shore Batteries on elevated positions, to find the distances of objects 
at sea, by the aid of the Armstrong gun. By Captain A. W. Drayson, 
Royal Artillery. 1 
Some considerations respecting the practical value of shells of the Shrapnel 
class. By Captain Yivian Bering Majendie, R.A., Captain Instructor, 
Royal Laboratory. 4 
On two large English cannon of the fifteenth century, preserved at Mont S. 
Michel in Normandy. By Brigadier-General Lefroy, R.A., E.R.S. 10 
“ Mons Meg,” the ancient bombard, preserved at Edinburgh Castle. [(Ex¬ 
tracted from No. 37 of the Archaeological Journal, with the consent of 
the Council of the Archaeological Institute, and with the permission of the 
author, J. Hewitt, Esq., War Office) . 25 
Account of an experiment carried on at Shoeburyness, 8th December, 1868, by 
the Special Committee on Iron, on a target (20' 9" X 8' 6") constructed to 
represent a portion of the “ Bellerophon ” iron-cased frigate. (Furnished 
by Captain E. J. Brace, R.A.). 31 
Despatch by Lieutenant A. F. Pickard, “C” Battery, 4th Brigade, R.A., 
relative to an engagement with the Maoris, at Rangariri, New Zealand, on 
the 20th November, 1863. Forwarded by Major H. Strover, R.A. 
(Communicated by the Deputy Adjt.-Gen., Royal Artillery.) ... 33 
Recent gunnery experiments upon iron armour. By Captain Inglis, R.E. 
Extracted, with the consent of the editor, from Yol. XII. of R.E. Corps 
Papers; and with the permission of the author . .. 37 
Account of experiment carried on at Shoeburyness, on the 12th and 13th Nov. 
1863, to test steel, wrouglit-iron, and cast-iron projectiles. (Contributed 
by Captain E. J. Bruce, R.A.). 57 
Account of an experiment carried on at Shoeburyness, 11th Dec. 1863, to test 
the penetrating power of steel projectiles fired from a 600-pr. and a 300-pr. 
Armstrong rifled gun at a floating target of the “ Warrior ” construction, at 
970 yards range. (Furnished by Captain E. J. Brace, R.A.). 63 
Gun-cotton: an introduction to the properties and history of the substance. 
By Major F. Miller, 'FC, R.A..*. 65 
Muzzle-pivoting gun carriage. By Lieut.-Col. G. Shaw, R.A., Assistant 
Superintendent, Royal Carriage Department. 89 
Remarks on the employment of the sextant, for observations requiring great 
precision. By Captain R. W. Haig, R.A. 92 
Annual report and abstract of proceedings of a General Meeting of the Royal 
Artillery Institution, held on Monday, May 30, 1864. Major-General 
Sir R. J. Dacres, K.C.B., in the Chair. 95 
On some phenomena exhibited by gun-cotton and gunpowder under special 
conditions of exposure to heat. By F. A. Abel, F.R.S. (Communicated 
by the Secretary, R.A.I.) ... 127 
