CODE FOR IDENTIFICATION OF GAS-MASK CANISTERS 3

MARKINGS OTHER THAN COLOR

11. On each canister shall appear, in bold letters, a brief statement
to show the purpose of the canister, for example:
FOR USE ONLY IN ...

"77 (Name of gas or gases)
FOR USE ONLY IN ._.__. -ccooc-cccicew-—-._. AND IN DUSTS
(Name of gas or gases)

FOR USE IN AIR CONTAINING ANY GAS OR SMOKE
12. For this purpose it is permissible to attach a metal plate bearing
the proper inscription in raised or other distinct letters, or to stamp
the statement into the metal of the canister with a male and female
die. The statement may be marked with decalcomania, stenciled
with paint, or paper labels may be used. The latter should be
attached with heat-proof cement.
13. All of the markings specified above should be placed on the
most conspicuous surface or surfaces of the canister.