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The sound of an original hand operated air ventilation system in a WWII bunker being spun up and down. It was used to vent the smoke of gunfire from submachine guns positions. Recorded inside fortifications on the easter Alps, Friuli northern Italy. Can be employed for a variety of uses. Keywords: Spin Ventilation Tunnel Shaft Fortress Bunker Manual Fan Circulation Smoke Fumes Ventilate Conditioning Circulation Vent Aerate Purify Duct Flue Spout Escape
Price: USD $3.95 Flat-fee price for use in all media, in perpetuity, throughout the world and Universe