Keywords: 3inchGunUSModel1902Rear.jpg Photograph rear view of US 3 inch Field Gun and Carriage Model of 1902 Page 119 in Handbook of artillery including mobile anti-aircraft and trench matériel 1920 page 121 <br>http //www archive org/details/handbookofartill00unitrich 1920-05 United States Army Ordnance Dept US Government no copyright PD-USGov 3 inch Gun Model 1902-1904-1905 |