Slaty cleavage and related strain in Martinsburg Slate, Delaware Water Gap, New Jersey

@inproceedings{Beutner1978SlatyCA,
  title={Slaty cleavage and related strain in Martinsburg Slate, Delaware Water Gap, New Jersey},
  author={Edward C. Beutner},
  year={1978}
}
A structure, either an integral part of or an attachment to a tennis racket handle, including an upstanding backhand thumb-stop with a planar surface at a predetermined angle to the plane of the head of the racket, this planar surface being adapted to accept the pressure of the player's thumb when the racket is held in a backhand position and transmit this pressure to the handle in order to facilitate gripping the racket in the proper backhand position and to enable a player to more forcibly… CONTINUE READING

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