Explosive power devices, class B.

Ammunition for cannon with empty projectiles, inertloaded projectiles, solid projectiles or without projectiles, or shell, and catapult charges exceeding 2 inches in diameter, is fixed ammunition assembled in a unit consisting of the cartridge case containing the propelling charge and primer with empty, inert-loaded, or solid projectile, or without projectile or shell, which is fired from a cannon, mortar gun or howitzer

for

Each outside package must be plainly marked with the appropriate descriptive name of the contents as "Ammunition for cannon with empty projectile.' "Ammunition for cannon with inert-loaded projectile," "Ammunition for cannon with solid projectile," "Ammunition cannon without projectile." Explosive power devices, class B, must not be shipped with igniters assembled therein unless shipped by, for, or to the Departments of the Army, Navy and Air Force of the United States Government or unless of a type approved by the Interstate Commerce Commission. Each outside container must be plainly marked "Explosive Power Devices, Class B" and "Handle Care. fully-Keep Fire Away."

No label required. Stowage: "On deck under cover"

"Tween decks."

"Under deck."

Outside

Strong

containers:

wooden or metal containers.

Fireworks, forbidden. The following fireworks or fireworks compositions shall not be offered for transportation. Firecrackers, flash crackers or salutes, exceeding 12 grains of explosive content. Fireworks combining an explosive with a detonator or blasting cap.

Fireworks containing an ammonium salt and a chlorate. Fireworks containing yellow or white phosphorous.

Fireworks or fireworks compositions that ignite spontaneously or undergo marked decomposition when subjected for 48 consecutive hours to a temperature of 75° C., (167° F.).

Fireworks properly condemned by the Bureau of Explosives, except properly packed samples for laboratory examinations.

re

Toy torpedoes exceeding in. diameter or containing a mixture of potassium chlorate, black antimony and sulfur exceeding 4 grains average weight of such explosive composition.

Toy torpedoes containing a cap composed of red phosphorous and potassium chlorate

exceeding 2 grain

per cap.

(See

factured articles designed primarily for the purpose of producing visible or audible pyrotechnic effects by combustion or explosion. Class C explosives for "Fireworks, common".) Examples are toy torpedoes, railway torpedoes, some firecrackers and salutes, exhibition display pieces, aeroplane flares, illuminating projectiles, incendiary projectiles, incendiary bombs or incendiary grenades and smoke projectiles or smoke bombs, fuzed or unfuzed and containing expelling charges but without bursting charges, flash powders in inner units not exceeding 2 ounces each, flash sheets in interior packages, flash powder or spreader cartridges containing not over 72 grains of flash powder each and flash cartridges consisting of a paper cartridge shell, small-arms primer, and flash composition, not exceeding 180 grains all assembled in one piece. Fireworks must be in a finished state, exclusive of mere ornamentation, as supplied to the retail trade and must be so constructed and packed that loose pyrotechnic composition will not be present in packages in transportation. Each outside container shall be plainly marked: "Special Fireworks-Handle Carefully-Keep Fire Away". Do not stow in same compart. ment with any inflammable liquid or solid, inflammable compressed gas or combustible organic material.

do

do.