 Boston Forts - Guns firing |
 Big gun shells Boston Harbor. 10' projectiles on shotcarts, Fort Standish, HD Boston. |
 Firing big gun at Fort Standish, Lovell's Island |
 Big guns (Mortars) Boston Harbor |
 Big gun: Fort Standish: Lovells Island, Boston Harbor |
 Big guns - Boston |
 Firing big guns Boston Harbor |
 Firing big guns, Fort Standish, Lovell's Island, Boston Harbor |
 Stubborn mule at Camp Devens |
 Camp Devens - Ayer, MA |
 Camp Devens - drill |