Primarily Petroliana Shop Talk Forums Shop Talk Petroliana Forums Showcase and Stories, Petroliana Western Auto Supply Co. Water Bag

Outer canvas was made wet & as it evaporated it would pull heat out of the inner part [water] just as our bodies do when we sweat & cools our body.

Brings back another memory, the Window Swamp Cooler. Before AC became almost a standard item on most cars, those that could afford the Window Swamp Cooler used then during the summer & especially while traveling across the desert areas.