Why Gun Tractor Shape

[rob love]

Further to my last, note the excerpt mentions an increase of weight of 17cwt (roughly 1904 pounds in today's measurement). Sloping the back of a box would reduce weight, not increase it. Changing a wooden box to steel , however, could well increase the weight. Thus , ( ) this supports my reading of the sentence as to mean it was referring to the conversion of the previous wood design over to an all-metal design.