——————————————————————————+—————————+—————————+—————————+————————— | | | U. | U. | Italy, | Russia, | States, | States, | 1912 | 1903 | 1902 | 1916 ——————————————————————————+—————————+—————————+—————————+————————— Caliber, inches | 2.95 | 3. | 3. | 2.95 Weight of shrapnel, lbs. | 14.3 | 14.41 | 15.00 | 16.00 Muzzle velocity, f. s. | 1510 | 1930 | 1700 | 1600 Muzzle energy, ft. tons | 224 | 273 | 300 | 311 Weight of gun | 690 | 785 | 710 | 765 Weight of gun and | 2260 | 2075 | 2230 | 3000 carriage | | | | Weight of g., c. and | 3350 | 3850 | 3730 | 4400 limber | | | | Maximum elevation | 65 | 16$ | 16 | 53 Total traverse, degrees | 52 | 5½ | 8 | 45 Length of recoil, inches | 18-53 | 42.5 | 50 | 18-46 Height of wheels | 4’3½”| 4’4” | 4’8” | 4’8” Independent line of sight | Yes. | No. | No. | Yes. Sights, goniometric, | | | | telescopic, panoramic, | T. P. | O. P. | O. P. | O. P. ordinary | | | | Breech block, wedge | | | | swinging, eccentric | W. | S. B. | S. B. | W. screw. | | | | Traverse, axle or pintle | P. | A. | A. | P. Recuperation, spring or | | | | hydro-pneumatic | H. | S. | S. | S. Length of gun, calibers | 30 | 30 | 29.2 | 30.8 Width of track, inches | 58 | 60 | 60 | 60 Range, maximum | 8850 | 7800 | 6500 | 9650 ——————————————————————————+—————————+—————————+—————————+————————— APPENDIX “C” TABLE OF EQUIVALENTS.