"Railroad gun" . . . . . . "railgun" . . . . . . . . "rail gun" . "sliding" . . . . "car-traverse" . "railway gun emplacement" . "Top-carriage recoil" . . "top carriage traversing mount" . . . . "Railroad Gun" . "Railway artillery" . . . . . "railway" . . . "Sliding recoil" . . "Bethlehem 177" . . . . . . . . . . . "railroad guns" . "carriage recoil" . . . . . . "Cradle" . . "car traversing" . "railway guns" . "ground platform anchoring" . "Naval Railway Batteries" . . "Top carriage traverse" . . "railguns" . . . . "\\\"glissement\\\"" . . "super-guns" . "recoil systems" . "railway gun" . "Railway Artillery" . . "Railway gun" . . . "railway howitzers" . . . "top carriage traversing mounts" . "Railway gun" . "sliding recoil" . . . "Rail-mounted" . . . "top-carriage recoil" . . "rail cannons" . . . . . . . . "rail-gun" . . . . "carriage recoiled" . "Sliding recoil mount" . . . "mounted on railcars" . . . . . . . "Carriage recoil" . . "car traversing mount" . . "railroad gun" . . . "top carriage traverse" . "on rail carriages" . "Batignolles" . "rail-mounted" . . . . . "Railway Gun" . "Cradle recoil" . "rail-mounted siege cannon" . . . . "rail artillery" . . "Railway howitzer" . . "railway carriages" . . . . . "cradle recoil" . "railway artillery" . . . . . "Car traversing mount" . . .