BOX 57. 1 1 Contact spar leading-wires. 2 2 Rubber diaphragms (spare). 12 12 ” washers,—for Exercise Torpedo (spare). 12 24 ” ” —for Service Torpedo (spare). 4 8 Spherical rubber packings (spare). In addition to the above, if no testing and firing-plate is furnished, 2 Electric switches. [1] =_Note._=—These bolts are supplied at the Navy Yard where the boats are fitted. [2] =_Note._=—These bolts are supplied at the Navy Yard where the boats are fitted. Two Copies of the Torpedo Instructions, corrected to date of issue, will be furnished to each vessel receiving a torpedo outfit. These copies will be sent by mail, simultaneously with the issue of the outfit, addressed to the Inspector of Ordnance at the Navy Yard at which the vessel is fitted out. * * * * * This book is corrected to * * * * * Terminals and insulated wire for permanent wires will be furnished as required. The Bureau of Ordnance will designate which of the following will be supplied:— 2 Electric switches. 1 Testing and firing-plate. SUPPLIED FROM NAVY YARD. Torpedo-spars for ship. Fittings for same. 16 16 ⅝ bolts,—for securing boat-fittings to boat. 4 4 ¾ ” ” ” ” ” ” ” =_Note._=—Boxes 6, 7, 8, 23 to 46 inclusive, 49 and 50, contain explosives, which must be stowed as directed in the Instructions. Boxes 8 and 16 contain glass and are to be handled with care. Boxes 2, 4, 15 and 57 contain insulated wire and must be stowed in a cool place to guard against deterioration of the insulation. All other boxes must be stowed in a dry place and the contents kept free from rust.