| 摘要 |
A mortar having a barrel pivotally mounted on a platform and having a tripod and a rear set of legs is disclosed. The tripod has three parallel legs, the center one of which houses a spindle for changing the elevation of the barrel. Both the tripod and the rear set of legs are pivotally mounted on the platform. The arrangement of the tripod and rear legs are such that they minimize the number of obstructions normally associated with a mortar.
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