(Source: petapeta)
Chester E. Macduffee constructs the first Atmospheric Diving Suit using ball bearings to provide joint movement, New York, 1914.
(via midnight-gallery)
(Source: urhajos, via avoicelikethunder)
(Source: error888)
(Source: maskulllasserre.com)
(Source: kristiangrabenstein)
(Source: dvdp)
(Source: dvdp)
