Tag: 1879

1879 – Diving Bell Mechanical Arm – Chas Pike (American)

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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 …

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