The line shall be coiled, faked, or reeled in its own faking box or reel, and the gun, carriage, line box or reel, and projectiles shall all bear the same number and shall be initialed by the inspector, whose report of the test, giving number, date, and result, shall be filed in the office of the supervising inspector of the district in which the test is made. Service lines and projectiles. Service projectile lines hereafter approved shall be similar in size to that used by the United States Coast Guard, of not less than 1,700 feet in length, and capable of withstanding a breaking strain of 500 pounds, and the projectile end shall be so protected that line will not burn when fired from the gun. The projectiles required to be furnished with each gun shall weigh not less than 18 pounds, smoothly turned and finished, with a windage of not more than one sixty-fourth of an inch. Drill required with line-carrying gun. The master of every vessel equipped with a line-carrying gun shall drill his crew in the use thereof and fire said gun at least once in every three months, using one-half the usual charge of powder and any ordinary line of proper length. It shall be the duty of the inspectors, at the annual inspection, to see that these drills are entered on the log of the vessels. Placard containing instructions for use of gun and rocket apparatus. A placard containing instructions for using the gun and rocket apparatus required by the foregoing section and as practiced by the United States Coast Guard shall be posted in the pilot house, engine room, and in the seamen's, firemen's, and steward's department of every steam vessel required by law to carry such gun or rocket apparatus. (R. S., 4405.) Storm oil. On and after January 1, 1915, ocean vessels of more than 200 gross tons propelled by machinery and navigating the oceans or gulfs shall carry a supply of oil for the purpose of smoothing the sea or quelling the force of the waves in case of emergency or necessity in the following quantities: Vessels of over 200 and not over 1,000 gross tons, 30 gallons. Vessels of over 1,000 and not over 3,000 gross tons, 40 gallons. Vessels of over 3,000 and not over 5,000 gross tons, 50 gallons. Vessels of over 5,000 gross tons shall carry at least 100 gallons. This oil shall be accessible and available at all times, and the location of the supply and the means and methods of its distribution shall be determined by the master of the vessel. Steamer's name on equipments. All the equipments of a steamer, such as buckets, hose, axes, boats, oars, rafts, life preservers, floats, barrels, and tanks, shall be painted or branded with the name of the steamer upon which they are used. (R. S., 4405.) Muster roll and drills. Special duties for the event of an emergency shall be allotted to each member of the crew.