The Westerly Granite Industry


Babcock-Smith House Museum
124 Granite Street
Westerly, RI   02891
401-596-5704
babcocksmithhouse@gmail.com

Hoisting the stone

http://www.tpub.com/celec/82.html

The top lift brings the load closer or farther from the mast. The boom tackle lifts the load vertically.
Sullivan Granite Company used boom derricks to remove granite from the quarry hole. A boom derrick may be used to move weight in any direction. The direction of the boom is controlled by a steel cable wrapped around the bullwheel.

 

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