CONTENTS. 
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Eeport of Ordnance Select Committee, No. 1484, March 7, 1861. Mantlets 
for the protection of artillerymen from an enemy’s riflemen. Communicated 
by direction of the Secretary of State for War..... 1 
Abstract shewing the Mean Initial Velocities of various Service and Experi¬ 
mental Projectiles, determined by Captain Andrew Noble, B.A., under 
direction of the Ordnance Select Committee, by means of Navez’s electro- 
ballistic apparatus ........ 11 
Navez electro-ballistic apparatus. Table shewing the Belations between the 
Arcs passed through and the corresponding durations for t=0"‘^S r l. By 
Lieut. W. H. Noble, E.A... 13 
On the Influence of Atmospheric Pressure upon some of the Phenomena of 
Combustion. By Dr Edward Erankland, E.E.S., extracted from Proceedings 
of the Eoyal Society, Vol. XI. p. 187 ... 14 
On the determination of Eange Tables for Eifled Ordnance. By Colonel 
Lefory, BA., E.E.S. 17 
Eemarks on Iron Defences. By Captain H. C. S. Dyer, E.A. 29 
Eeport of an Experiment carried on at Shoeburyness, on the 9th May, 1861, 
by the Special Committee on Iron... 36 
Eemarks on the system of Ordnance calculated to prove the most efficient 
against Iron clad Ships and Batteries. By Lt.-Col. Boxer, E.A., E.E.S., 
Superintendent Eoyal Laboratories, Eoyal Arsenal Woolwich.. . 47 
Annual Eeport and Abstract of Proceedings of a General Meeting of the Eoyal 
Artillery Institution, held on Tuesday, May 20, 1862. Major-General Sir 
E. J. Dacres, K.C.B. in the Chair .. 53 
The Question of the Day, or “ Iron-plates ” versus “ Guns.” By W. H. Noble, 
M.A., Lieut. E.A., Associate Member, Ordnance Select Committee . 65 
Eeport by the Minister of Marine, Paris, Eeb. 9, 1859, relative to the proof 
of Eifled cast-iron guns, and'the revision of former Eegulations respecting 
the fabrication and proof of all iron cannon for the Imperial Naval Service. 
Translated by Col. Greathed, C.B., and Col. J. H. Lefroy, E.A., E.E.S., for 
the Ordnance Select Committee....... 75 
Account of Experiments against Iron-plates, carried on at Shoeburyness, on the 
8th April, 1862. Burnished by Captain E. J. Bruce, E.A. 89 
Eemarks on Permanent Ports and Moveable Bloating Batteries as means of 
Defence against the Bombardment of our Arsenals and Dockyards by an 
Enemy’s ships. By Lieut.-Col. E. M. Boxer, E.A., B.E.S. 
93 
