the engines grew and the range widened. a 2.3-litre variant, the salmson s4 e joined the less powerful car (by now itself having evolved into the salmson s4 da) in october 1937. the war disrupted production, which probably stopped completely after a major bomb attack conducted by the british on 3 march 1942. post war production resumed (or continued), albeit at feeble levels, of the four-cylinder (10cv) salmson s4-61 till april 1952, by which date production of the 13cv salmson s4 e had already come to an end.