Destruction of Materiel to Prevent Enemy Use

TM 9-6685-202-14

(2) Place desiccant, in accordance with MIL-

(2) Creped-cellulose wadding at least four

D-3464, next to the wrapped barometer and mounting

inches thick shall surround the mounting platform.

platform.

(3) Secure the top of the container and mark

(3) Place the barometer, mounting platform

for shipment. The marking shall indicate, "Barometer

and micrometer in moisture proof bags.

Metric Mercurial, Altitude Test, Type A-1 or Barometer,

Metric Mercurial, Modified"; and "Delicate Instrument,

(4) Evacuate air from the bags and heat seal

Handle with Care."

the openings.

(5) With only the lower half of the yoke in

place, position the barometer in the box.

5-2. Destruction of Materiel to Prevent Enemy Use

(6) Attach the base to the end of box with the

This section covers methods of destroying materiel,

two mounting screws. Use rubber washers where the

when in danger of imminent capture, in order to prevent

screws penetrate the moisture proof bag.

enemy use.

(7) Place the upper half of the yoke over the

a. General. In the event that the barometer can

wrapped barometer and nail in place.

not be removed in time to avoid imminent capture by

enemy forces, it should be destroyed to prevent enemy

(8) Attach the top of the box.

use.

b. Destruction by Mechanical Means.

The

g. Exterior Packing. A cleated plywood box is

barometer is a delicate instrument and can readily be

used as an outer container.

The box should be

rendered unserviceable by smashing the precision bore

approximately 22 inches high, 24 inches wide, and 70

barometer tube and mercury cistern. Remove or bend

inches long. A waterproof liner should be provided

and twist the vernier scales, scale bar, or vernier slide.

inside the container. The interior box is centrally packed

Twisting these items out of shape will make it

within the outer container as follows:

impossible to obtain accurate readings. Scatter the

(1) A minimum of eight inches of creped-

mercury, and burn instruction books. A number of blows

cellulose wadding shall be placed on all sides and ends,

with a hammer or other instrument will render it useless

between the boxed barometer and the exterior

to any enemy. Scatter or bury spare parts and similarly

container. A 16- by 16-inch plywood square is attached

destroy any associated equipment.

to either end of the inner box to distribute the load on

the cellulose wadding.

5-2