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action adjustment ammunition artillery assigned assists attached azimuth base battery commander battle commander block bore breech brings called carriage chamber chief cleans closed coast condition correction cotton cover cylinders deflection Department designated detachment detail determined direction disappearing district drill dummy duties elevation emplacement engineer examines explosive facing fire command fire-control follows front given gives gun battery gun pointer hand head hoist indicated inspection installation keeps lanyard light loading means mechanism mortar mount moving necessary noncommissioned officer observing officer operation paint piece platform plotting position powder charge practice prescribed primer procures projectile proper rammer ramming range range setter reading READY rear receives recoil removed reports responsible scale screw searchlight seat shot sight soon sponge station storage supplied takes post target telephone tion traversing tray truck turn vertical wind yards
Page 156 - Level the instrument. See that all the screws have a uniform and firm bearing on the leveling plate; set one of the levels exactly over two opposite leveling screws; turn the screws in opposite directions until the bubbles of each level are exactly in the middle, being careful to maintain a firm bearing of the screws on the plate. Turn...
Page 198 - Samples of each lot of smokeless powder issued to the service are preserved in the laboratory of the Ordnance Department for chemical test. These retained samples are subjected regularly to technical inspection and test by that department to determine their condition as to stability. Should any lot show deterioration, the change is discovered by such inspection and the entire lot recalled from forts where it is stored.
Page 152 - Thus, if the figure 4 is not understood, say, FOUR: one, two, three, FOUR. In receiving observe the following rules: 1. Keep the mind on the message ; a person can not receive correctly when he is thinking of something else. 2. Keep the receiver close to the ear. 3. Do not interrupt the sender unless absolutely necessary.
Page 42 - Signals. — The commands or signals, ELEVATE, DEPRESS, RIGHT, or LEFT, given in pointing, always refer to the direction of motion of the muzzle. ELEVATE. — Raise either hand to the height of the head, fingers pointing upward. DEPRESS. — Raise either hand to the height of the head, fingers pointing downward. RIGHT or LEFT. — Motion with either hand, fingers pointing in the desired direction.
Page 179 - Use the solution freshly mixed and apply to the parts where paint is to be removed with a brush or with waste tied to the end of a stick. When the solution begins to dry on the surface use a scraper to remove the old paint, and complete the cleaning of the surface with cloth and water.
Page 62 - To close the breech, No. 2 releases the securing latch from its catch; No. 1 swings the tray and block around to the left smartly; No. 2 seizes the handle of the tray and continues the swinging of the block until the tray abuts against and is latched to the face of the breech, then he turns the translating crank clockwise until the breech is translated completely; No. 1 releases the rotating crank by turning the wing nut and turns the rotating crank counterclockwise, as indicated by the "close" arrow,...
Page 116 - A noncommissioned officer equipped with a stop watch and a time of flight table starts the watch at the command FIRE; commands HALT and stops the watch at the expiration of the time of flight. The gun pointer stops following with the vertical wire at the command HALT, when the reading of the deflection scale should be the same as the assumed deflection for wind and drift. If not, the difference is the error in predicting and pointing. Example. — Assumed deflection, 3.65; deflection sent to gun...
Page 62 - ... open" arrow until it is stopped in a horizontal position and is secured by its catch; No. 1 turns the translating crank briskly counterclockwise. When the shoulders of the grooves strike against the ends of the rails, the block stops short and the shock frees the tray latch from its catch; No. 1 swings the tray and block to the right until the securing latch engages in the catch.
Page 161 - Then the zero of the scale opposite the left-hand end of the base-line arm would correspond to 212°, and the zero of the scale opposite the right-hand end would correspond to 32°. To orient the base-line arm to correspond with the actual base, it is necessary to swing the base-line arm clockwise through 0.14° ; that is, set the left end to 212.14°.