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temperature will increase the delay time. This igniter is not reliable at or below freezing temperatures (32° F.)
To make incendiary paper, soak strips of ordinary writing paper in the phosphoruscarbon disulfide for a few minutes. Remove the paper with a pair of tweezers or tongs and place in a vial filled with water. Be sure to wash off the tweezers immediately in copper sulfide solution. Cap the vial and store until ready to use. To use this incendiary paper, remove the strips of paper with a pair of tweezers, and place among the material to be ignited.
    0210. MAGNESIUM POWDER—BARIUM PEROXIDE
    a. Description.
This item consists of a mixture of finely powdered magnesium and finely powdered barium peroxide. It can be used to ignite all the incendiaries listed in chapter 4 and is particularly suited for ignition of thermite. It may be used directly as an incendiary on readily flammable material such as rags, dry paper, dry hay, or in the combustible vapor above liquid fuels.
The igniter can be initiated by Fuse Cord (0101) or Improvised String Fuse (0102).
    b. Material and Equipment.
    Magnesium powder (no coarser than table salt).
Barium peroxide (no coarser than table salt).
Spoon.
Container with tight-fitting lid.
    c. Preparation.
Using a clean, dry spoon, place powdered magnesium into the dry mixing container to one-quarter container volume.
Wipe the spoon with a clean, dry cloth, then add powdered barium peroxide to the dry mixing container to three-quarters container volume. Tighten the lid on the barium peroxide container, and remove it at least six feet from the working area.
Tightly close the lid on the mixing container. Turn the container on its side and slowly roll until the two powders are completely mixed. The mixture is now ready for use.
A good practice is to keep the powdered magnesium and powdered barium peroxide in separate containers and mix just before use.
    d. Application.
Carefully pour or spoon the mixture, in a single pile, onto the incendiary. Prepare the mixture for ignition with Fuse Cord (0101) or Improvised String Fuse (0102) in the normal manner. The fuse cord should terminate near the center of the igniter mixture.
In ignition of thermite, spread the igniter mixture to a depth of at leastinch on the top surface of the thermite which is held in an assembly described under Application of Thermite incendiary (0307). The fuse cord will initiate the thermite igniter which will, in turn, ignite the thermite.
When used to ignite flammable liquids, wrap a quantity of the mixture in a nonabsorbent material and suspend it inside the container near the open top. The container must remain open for easy ignition and combustion of the flammable liquid.
To minimize the hazard of premature ignition of flammable liquid vapors, allow at least two feet of fuse length to extend from the top edge of an open container of flammable liquid before lighting the fuse.
    0211. SUBIGNITER FOR THERMITE
    a. Description .
This item consists of a mixture of a metal powder and an oxidizing agent. Two metal powder alternates and four oxidizing agent alternates are specified. In the combustion process, the metal powder is oxidized, resulting in the liberation of a large quantity of heat.
This subigniter is a substitute for Magnesium Powder Barium Peroxide Igniter (0210), and should be used only if that Igniter is not available. The disadvantage of this subigniter is that it cannot be directly initiated by fuse cord. To use this subigniter for initiating thermite, it is necessary to use another igniter mixture to initiate the subigniter, preferably Sugar-Chlorate (0201). The fuse cord will initiate the sugar-chlorate, which will, in turn, ignite the subigniter and, thereby, initiate the thermite.
This subigniter can be directly initiated by all the igniters listed in chapter 3 except White Phosphorus (0209).
    b. Material and Equipment.
    Either aluminum or magnesium filings or powder (no coarser than granulated sugar).
    Any one