IV. 
CONTENTS. 
On the Principles which Regulate the Efficiency of Artillery Projectiles. 
By Lieut. E. Clayton, B.A. The B.A. Institution Prize Essay of 1878. 
On Construction of Elevator, Moncrieff Carriage. By the Bev. J. White, M.A., 
Instructor in Mathematics, B.M. Academy . 
Note on the Expenditure of Ammunition by the German Field Artillery in 
1870-71. By Captain Hime, R.A., F.S.S. 
Graphical Solution of Problems on Artillery Machines. By Major W. H. 
Warded, R.A., Instructor in Mathematics and Mechanics, B.M. Academy. 
Principles of Construction of Field Artillery Carriages. By Captain W. 
Kemmis, B.A... 
Principles of Construction of Transport Carriages. By Captain W. 
Kemmis, B.A..... 
Notes on Artillery Tactics. By Lieut.-Col. W. J. Williams, C.B., B.A. .. 
On the Influence of the Wind on the Flight of Projectiles. By Major 
E. Maitland, B.A... 
Beport of Telescope Sub-Committee, and a short description of the Instrument 
(by the Maker, H. Grubb, Esq., of Dublin) . 
The Mobility of Field Artillery ; Past and Present. By Captain Hime, B. A., 
F. S.S. (Conclusion). . ... 
On the Pressure required to give Botation to Bifled Projectiles. By Captain 
Noble, F.B.S., &c. (lafe B.A.) ... 
Principles of Construction of Wheels and Axletrees. By Captain 
W. Kemmis, B.A. 
Bifling for Heavy Guns. By Major J. P. Morgan, B.A., Assistant Superin¬ 
tendent Boyal Gunpowder Factories ... 
Copy of a Memorandum on the Use of Sheep Employed to carry Loads across 
the Karakorum, by Captain Biddulph, 19th Hussars. Communicated by 
Captain E. F. Chapman, B.A., Secretary Yarkund Mission . 
Probable Bectangles. By Captain W. H. Noble, M.A., B.A. 
The Sectograph. By Lieut. T. J. Tresidder, B.E. 
A Flying Visit to Turin Arsenal, 9th November, 1873. By Lieut. 
H. Geary, B.A..... 
The Constrained Motion of Conical Wheels. By Lieut.-Col. F. Close, B.A., 
Professor of Artillery, B.M. Academy... 
Compound Guns, Many-barrelled Bifle Batteries, Machine Guns, or Mitrail- 
leurs. By Captain J. F. Owen, B.A., Captain Instructor, Boyal Gun 
Factories.. 
Annual Beport, and Abstract of Proceedings of a General Meeting of the 
Boyal Artillery Institution, held on May 28, 1874. Colonel B. P. 
Badclifte, B.A., in the Chair .. 
The Constitution and Duties of the Artillery of the Advanced Guard of an 
Army in the Field. By Lieut. S. C. Pratt, B.A. The B.A. Institution 
Prize Essay of 1874 ... 
Index... ...... 
LIST OL PLATES. 
Sketch to illustrate the bombardment of the sluices at the siege of Strasburg, 
September, 1870. 
Figs 4, 5, 6, 8, 10, 11, 12, and 13, illustrating Major Wardell’s paper 
“ Graphical Solution of Problems on Artillery Machines.” 
Equatorial Telescope erected at the Boyal Artillery Observatory, Woolwich, by 
Howard Grubb, Esq., of Dublin. 
Diagram shewing the pressure on studs of projectiles, by Captain A. Noble 4 
The Sectograph. 
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