6867327 The Ladies Life Preserver from Fire. Invented by Frederick Versmann and containing Wolfram ores, colours, tungstate of soda, dresses and other textiles when steeped in a solution of this compound were rendered non-inflammable, without injury to texture, colour or appearance. Exhibited at The International Exhibition of 1862. From A Concise History of The International Exhibition of 1862, published 1862 (b/w engraving); (add.info.: The Ladies Life Preserver from Fire. Invented by Frederick Versmann and containing Wolfram ores, colours, tungstate of soda, dresses and other textiles when steeped in a solution of this compound were rendered non-inflammable, without injury to texture, colour or appearance. Exhibited at The International Exhibition of 1862. From A Concise History of The International Exhibition of 1862, published 1862.); Photo 穢 Ken Welsh. All rights reserved 2022.