REPORT ON THE OPERATIONS OF EXCHANGES. 117 



Ordnance Bureau — Continued. 



Ordnance Notes 213. The Development of Armor as applied to Sliips. 



214. Preservation of Wood. 



215. The Employment of Torpedoes m Steam-launches against 



Men-of-war. 



216. The Supply of Ammunition to Infantry on the Field of Battle 



217. Wallace's Intrenching Tool. 



218. The Interior Economy of a Prussian Regiment. 



219. A Short Narrative of the Afghan Campaigns of 1879-'80-'81, 



from an Engineer's point of view. 



220. Magazine Rifles. 



221. Krupp Experiments. 



222. Explosives: Notes on Nitro-Glycerine. 



223. Bombardment of Alexandria by the English July 11, 1882. 



224. Rifled Howitzers and Mortars. 



225. Deviations of Small-arm Projectiles. 



226. Fortress Warfare. 



227. Training of Garrison Artillery, &c. 



228. Determination of the Value of " C." Didiou's Formula. 



229. Steel for Structures. 



230. The Theory of the Gas Engine. 



231. Instructions for use of the Frankford Arsenal. Hand tools 



for unloading Cartridges. 



232. Some Considerations respecting Desertion in the Army. 



233. The Theoretical Rifle (El Fusil Racional). 



234. Some Thoughts about the Future of our Army. 

 Notes on Construction of Ordnance : 



1. Resistance to D6culla8ement (unbreeching) in Breech-Loading Cannon. 



2. Recapitulation of Experiments on Cast-steel Hoops. 



3. Plan of Gun Construction ; Cast Iron strengthened with Bauds of cold-ham- 



mered or coldrrolled Steel. 



4. Mechanical Tests on the Resistance of Metals. 



5. Verification of the Hooping for Cannon in the Italian Service. 



6. The resistance of Hollow Cylinders and of Cannon ; new studies. 



7. The resistance of Hollow Cylinders and Cannon ; new studies. 



8. Trials of Expanding Sabots for Projectiles ; Rifle Muzzle-loading Mortars. 



9. Resistance of Metallic Tubes, Simple and Compound, with application to the 



Construction of Cannon. 



10. Resistence of Simple and Compound Metallic Tubes with application to the 



Construction of Cannon. 



11. Special Elasticity ; Experiments to determine its Value and Deductions con- 



cerning its application for increasing the Advantages derived from the 

 Use of Hoops in Gun Construction. 



12. Treatment of Steel. 



13. Fabrication of Cannon in France. 



14. Experiments on Hooping 9" .45 guns. 



15. Physical Properties of Metals. 



Pay Department : Annual Report for 1882. 

 Quartermaster-General's OflSce: 



Fuel for the Army, 1882. 



Uniform for the Army, 1882. 



Specifications for means of transportation of paulins, stoves, ranges, lamps, and 

 fixtures for use in the United States Army in 1882. 



Annual Report for 1882. 



