English Patent Model Screw Propellor. This model represents the "revolving spiral paddle, for propelling boats and other vessels on water," that Englishman Bennet Woodcroft patented in the United Kingdom in 1832. The model once formed part of the technology displays at the

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Size: 1923px × 1299px
Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: industry, maritime, work