Maintenance Manual for the M.L. 2 inch, M.L. 3 inch and S.B. 4.2 inch Mortars. WO 1645 Identification list for ordnance, S.B. 4.2-inch mortar mark 2 on mounting, 4.2 inch S.B.mortar mark 3 also plate, base, mobile 4.2-inch s.b. mortar, mark 1 Mortier 2 inch model A cpl. 2 DL 1010-17-611-5468 Schiettabel Mortier 4.2 inch. M 30. VS 7-335 Schiettabel de Mortier van 2 inch. VS 7-338 Mortier van 5. Opleiding. VVS 1506
