Tag: Diving Bell Mechanical Arm

1879 – Diving Bell Mechanical Arm – Chas Pike     ARM AND ATTACHMENT FOR DlVlNG-BELLS Publication number    US228556 A Publication type    Grant Publication date    Jun 8, 1880 Filing date    May 27, 1879 Inventor    Charles F. Pike CHAS. F. PIKE Be it known that I, CHARLES F. PIKE, of Philadelphia, in the county of Philadelphia and …

Read More “1879 – Diving Bell Mechanical Arm – Chas Pike (American)”

1849 – Diving Bell  – Avery Richards and John Walcott   Deep-sea-diving bell Publication number    US6250 A Publication type    Grant Publication date    Apr 3, 1849 Inventors    J. Avery Richards and John W. Walcott Description To all whom t may concern Be it known that we, J. AVERY RICHARDS and JOHN W. WALCOTT, of Boston, in …

Read More “1849 – Diving Bell – Avery Richards and John Walcott (American)”