File:4 inch mortar bomb WWI IWM MUN 003227.jpg

Photograph of World War I HE shell for the 4 inch mortar
Imperial War Museum Photograph : British First World War period 4 inch mortar bomb.
IWM format description : "ochre-painted shell (diameter 4in x L 10in) with red and green bands. Body bears stencilled markings (in three lines): '4" MOR RML / III / TROTYL'."

Imperial War Museum Collections Search MUN 3227

2_inch_Medium_Mortar#4_inch_mortar

clipped section, reduced to 100 px wide

Yes : greatly shrunk and compressed

Single use to illustrate the object in question - WWI HE shell for the 4 inch mortar. Historically significant as it was Britain's first modern mortar shell. Clear photograph is needed to show how the design differed from other contemporary designs.

yes, by free colour photograph of WWI 4-inch mortar bomb if such becomes available. This shell in the IWM's possession is possibly the only such surviving example.