MAKE A MEME View Large Image LeatherResearch 029.jpg The large drum containing the ingredients is attached to the tumbling mechanism at lower right and the asbestos-lined cover upper right is lowered over it As the drum is rotated by the tumbler at 12 rpm the contents ...
View Original:LeatherResearch_029.jpg (4551x5666)
Download: Original    Medium    Small Thumb
Courtesy of:commons.wikimedia.org More Like This
Keywords: LeatherResearch 029.jpg The large drum containing the ingredients is attached to the tumbling mechanism at lower right and the asbestos-lined cover upper right is lowered over it As the drum is rotated by the tumbler at 12 rpm the contents are heated to 60 degrees Celsius by infrared lamps within the asbestos-lined cover National Institute of Standards and Technology 1955-01-01 National Institute of Standards and Technology PD-USGov-NIST PD-USGov National Bureau of Standards National Institute of Standards and Technology Leather Leather shoes
Terms of Use   Search of the Day