Voici un copier/coller d'un manuel de 1918 ( faut se mettre à l'anglais rapidement)
"Explanatory list of service markings
To be found on ammunition and ammunition service packages in uses in the field armies
Harrison & Sons, Londres 1918"
18 and 23-pr.-
On base of cartridge
(a) Nature of propellant with Lot No. and monogram,
initials or trade mark of the maker.
Date of filling (day, month and year) and initials or monogram
of filling station or firm (or trade mark of the latter)
(b) " A.C." if the charge has been adjusted. When a 46 grouped " propellant is used, the letters A.C. will be omitted.
(c) Numeral of cartridge.
(d) When fitted with H.E. shell the base of the cartridge is painted yellow and the stencilling ;s red.
(e) When fitted with chemical shell the base of the cartridge is painted light grey.
( f) When fitted' with incendiary shell the base of the
cartridge is painted red (this necessitates the
stencilling on the base being in black).
(g) When fitted with smoke shell the base of the
cartridge is painted green.
(h) When fitted with target shell the base of the cartridge
is painted black.
(i) 3-in. 20-cwt. reduced charge H.E. shell cartridges
have a black cross stencilled across the base, except
over . the primer. and the shell is painted white. A
number of cartridges have, however, been issued
with the ordinary shell markings, but with a letter
" B " stencilled in white above the letters "
(f) QS. 3.in. 20-ovt. reduced charge practice ammunition
(shrapnel shell) have the base of the cartridge
case marked as (i) above, and the shell painted
half black and half white.
(k) Q.F. 3-in. 20-cwt. cartridges made up with charges
composed of cordite M.D. re-worked into size 11
will have the following stencilled on the base of
the case (typical) :-
"FIRE or DESTROY by 1 /1 f 19,"
the date being twelve months after date of manufacture.
(1) Cartridges made up with N.C.T. charges have
a black band in. wide stencilled across the base
of the case (except the primer) to facilitate identification,
and the stencilling is in black.
(In) 18-pr. shrapnel shell cartridges made up with
reduced charge will have the shell painted white
from shoulder to driving band, and the base of
the case painted white, and the abbreviation
" RED " stencilled in red, in addition to the usual
(n) 18-pr. H.E. shell cartridges made up with reduced
charge will have the shell painted yellow with
. usual bands and rings, but in addition a white
band immediately below the green band. The
base of the case will be painted yellow with a
1-inch white band stencilled across, also the
letters " RED."