Rotomatic measuring tool for blind people.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...l_fullsize.jpg
Demonstrated by blind woodworker John Furniss. 0:56 video:
Previously:
Braille micrometer for blind machinists - photos
Antique writing machine for blind people - photo
Blind woodturner Dennis DeVendra
Bookmarks