Starting in the 1940s, the first double-hose regulators became commercially available, and revolutionized scuba diving forever. Check out this footage from our last Vintage Dive Weekend, where divers are able to use this historic equipment. Interested in diving with a double-hose regulator? Be sure to grab your tickets for this year's Vintage Dive Weekend on March 8th and 9th before it's too late! https://shop-diving-museum.company.site/products/Vintage-Dive-Weekend-c175889127 #vintage #scuba #h