1902-7 – "Iron Man" Diving Apparatus by Capt. Enos B. Petrie and Joseph E. Martin. It is diver O. E. Gaudy (Gandy?) inside the suit who set the new diving record at the time. Source: The Brooklyn Daily Eagle, Aug 23, 1907. Petrie's diving armor is similar to Macduffee's Armor of 1910. Publication number US711342 …
The 1931 version of Harry L. Bowdoin's Submarine Armor. When inside his suit Mr. Bowdoin through the manipulation of gears and levers, can move his arms, legs and body freely to almost any angle and with clawed hands, so constructed as to record sensitivity, he can pick up even very small objects. 1928 – Submarine …
In 1906 the Swedish weekly Hvar 8 Dag published this photograph of an interesting diving apparatus, designed by the Italian inventor Giuseppe Restucci. This is how the weekly described the apparatus: "The arms are artificial, and are operated from the inside by the diver. There is an electric lantern on the helmet.Very heavy objects can be …