Hell Andy,
This was taken from the 1919 hand book, but the plate are missing from this copy, I hope this helps,
Jim
Box, AMMUNITION,M.L. 3-INCH STOKES TRENCH. MORTAR, B. 131.
The box is made ofwood and is fitted internally with a wood
partition which isrecessed to take the spigots of three bombs, and
forms a recess foran inner box in which is carried the necessary fuses,
cartridges, &c.,packed in tin boxes. The approximate dimensions
of the inner box are10-inches by 3-inches by 3k-inches. Four splayed
pieces are attachedto the bottom of the box to steady the bombs
during transit.
A certain number ofboxes may be met with which differ from the
above in having twocross pieces, shaped to take the bombs, instead of
the wood partition.
Lengthoverall.. 22-inches.
Breadth.. 12 ,,
Dept.. 6 ,,
Box, AMMUNITION,M.L. 3-INCH STOKES TRENCH MORTAR, B. 153.
The box, which ismade of wood, is furnished with rope handles
and is divided intotwo compartments, one to receive the bombs and
the other thecarbridges, exploders and fuses. The bombs are held in
position in thebottom of the box by means of wood guides and a rack
and are secured bymeans of a wood packing piece nailed to the
underside of thelid.
Lengthoverall 21.5 inches.
Breadth 11.125 inches.
Depth 5.5 inches.