A Colliery Measuring Tape.
This is a vintage colliery measuring tape. Made by Chesterman of Sheffield, England.
This is a steel tape with brass and leather handles and fixtures. Size of the case is 9″ inches round, 100 feet long.
This design of tape measure has the detachable tape which when fully unwound can be removed from the reel. It has a brass handle each end of the measuring tape.