310 
MINUTES OF PKOCEEDINGS OF 
Practice carried on at Shoeburyness, from a 12-in. 23-ton M.L. rifled gun, 
mounted on wrought-iron carriage and platform, placed on a turn-table, firing 
through a port representing a portion of an iron fort. 
Purchase of mules for the Abyssinian Expedition. (Thanks of Secretary of 
State for War to Captain E. T. Whinyates, R.A.) 
Specimen of slate-coloured Partridge, (presented to British Museum by Lieut.- 
Colonel L’Estrange, R.A.) 
Resistance of the air to spherical projectiles. 
Simple formula for determining remaining velocities of all projectiles. 
Eormula for the calculation of ranges. 
On the defects of side-arms for muzzle-loading guns. 
Practice carried on at Shoeburyness, May 15, 1868, from a 9-in. M.L. rifled 
12-ton gun mounted on a wrought-iron carriage and platform, and firing through 
a port; and from a 12-in. M.L. rifled 23-ton gun mounted on a wrought-iron 
carriage and platform, on a turn-table, and firing through a port at a moving 
target. 
Experiments at Shoeburyness to test the power of resistance to Palliser shot, 
of unbacked iron plates, ] 0-inches in thickness, in comparison with that of two 
5-inch plates bolted together. 
Extracts from Official Memorandum regarding the fitting out of the transport 
ships taken up for the conveyance of troops to Abyssinia. 
Trial of Lieut.-Col. Shaw’s muzzle-pivoting carriage on board ILM.S. “ Prince 
Albert.” 
Some observations on the Mobility of Field Artillery. 
Experiments' made with Professor Bashforth’s Chronograph at Shoeburyness 
during the present year, showing the connexion between initial velocity and weight 
of charge for the 9-in. M.L. rifled gun with the service shot, and the velocities of 
the service shot for the 9-in., 8-in., and 7-in., M.L. rifled guns at intervals of 100 
feet, supposing the shot to move in a straight line. 
Nose bag, in use in Prussia. Communicated by Lieut.-Colonel R. Curtis, 
R.A. 
Penetration of earthen parapet by heavy rifled guns at 70 yards range. 
Memo, upon the woods of British Kaffraria. By Lieut.-Colonel Chermside, 
R.A. 
Specimens of different woods from the Bombay Presidency, from a Pamphlet 
by Dr Gibson, Curator of Forests, Bombay. Communicated by Lieut. Bertie 
Hobart, R.H.A. 
Relative powers, by computation, of the service 9-in. and 10-in. M.L. rifled guns. 
Experiments carried on at Woolwich, as to the question of issuing shells filled 
and plugged, or empty, with fuzes screwed in, for Land Service. 
Some Notes on Field Artillery. Campaigns 1859 and 1860, by an Officer, R.A. 
The Committee beg to observe that the publication of the second part of 
Major-General W. B. Gardner’s paper, could not have been undertaken at 
the Institution, on account of the expense of the wood cuts, had the 
Secretary of State for War not consented to purchase 1000 copies, and 
the thanks of the Committee are due to Major-General W r arde, C.B., 
Vice-President, for the interest he manifested in furtherance of this object. 
Whilst thanking the contributors to the (i Short Notes on Professional 
Subjects,” which accompany each issue of the “ Proceedings,” the Committee 
hope for a continued co-operation of members in support of this means of 
imparting information on subjects of professional interest. 
