The Undersea Adventure Inventions of John Ernest and Charles Williamson
The following is an article from The Annals of Imp... ...ad from either of two devices invented by Charles Williamson and his son John Ernest Williamson . But new levels of pleasure are likely to arise s... ...S. patent 1016808, issued Feb 6, 1912, to Charles Williamson . The...
https://www.neatorama.com/2015/12/29/The-Undersea-Adventure-Inventions-of-John-Ernest-and-Charles-Williamson/
