Trench-mortars
A Dictionary of Military Terms · 1918 · p. 22
Small mortars for trench work which throw bombs weighing from 50 to 300 pounds with force enough to carry acro No Man's Land.
Bu kavram başka kaynaklarda da geçiyor
Trench
—
Chamber's Twientieth Century Dictionary (1908)
Trench
—
Pears Shilling Cyclopedia (1898)
Trench
—
Chamber's Etymological of the English Language (1895)
Trench
—
Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
Mortars
—
A Military Dictionary (1810)
Readham'da tam maddeyi gor →