![Weird History on Twitter: "London police testing life jackets by jumping in, 1930s. https://t.co/bRzPwjyo2U" / Twitter Weird History on Twitter: "London police testing life jackets by jumping in, 1930s. https://t.co/bRzPwjyo2U" / Twitter](https://pbs.twimg.com/media/C95Klg_XsAA54qS.jpg:large)
Weird History on Twitter: "London police testing life jackets by jumping in, 1930s. https://t.co/bRzPwjyo2U" / Twitter
![Original U.S. Pre-WWII 1930s Kapok Life Preserver by White Manufacturi – International Military Antiques Original U.S. Pre-WWII 1930s Kapok Life Preserver by White Manufacturi – International Military Antiques](https://www.ima-usa.com/cdn/shop/products/ONSV21NOS166__07.jpg?v=1636766072)
Original U.S. Pre-WWII 1930s Kapok Life Preserver by White Manufacturi – International Military Antiques
![Original U.S. Pre-WWII 1930s Kapok Life Preserver by White Manufacturi – International Military Antiques Original U.S. Pre-WWII 1930s Kapok Life Preserver by White Manufacturi – International Military Antiques](https://www.ima-usa.com/cdn/shop/products/ONSV21NOS166__05.jpg?v=1636766082)
Original U.S. Pre-WWII 1930s Kapok Life Preserver by White Manufacturi – International Military Antiques
![A vintage Sportster by Ta-Pat-Co fishing boat life jacket that states never lets you down on the tag and date from the 1940s. - Antique Mystique A vintage Sportster by Ta-Pat-Co fishing boat life jacket that states never lets you down on the tag and date from the 1940s. - Antique Mystique](https://cdn11.bigcommerce.com/s-55rst15msj/images/stencil/1280x1280/products/13179/17955/8612_jpg__93999.1521558979.jpg?c=2)