| http://www.w3.org/ns/prov#value | - 'A counter-balance of the character dehavea supporting shaft for the scribed, comprisin'g a reel adaptedto cable wound thereon, a reel, a plurality of springs, one acting through' the other, for turning the reel in 'a' directionto wind the cable thereon, and means independent of said shaft for adjusting the tension of the springs, said means including a sleeve rot'atably mounted on the shaft and
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