Filter-ventilation device
All pillboxes are equipped by filter-ventilation devices of delivery action with manual drive. It is a little rusty, but still in working condition. The boxes for fired cartridges with tubes for pipette off powder-gas are seen under machine gun mounting.
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KaUR: Main Sestrorezk Museum in APK "Slon" Beloostrov Nunemaki Lembolovo Katumy Agalatovo Elizavetinka Artillery Bent burrel machineguns "Millionaire" "Sheds inhabit." Where is it Plan Links
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