Hard hat diving suit was patented by Leonard Norcross of Dixfield, Maine, in 1834. The suit became the first practical diving suit. A tube connected the helmet/suit with surface air. Norcross was so proud of his invention he named his son Submarinus. Children can watch a video of hard hat diving at: https://www.youtube.com/watch?v=CsCXlbURBU4.
Jun 142024