Backplate sentence example

backplate
  • countersinkative brass rod is mounted onto a cast backplate with 2 countersunk screwholes for fixing.
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  • The backplate is balanced with lead weights and has a dowel in the center, as for the oak clock.
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  • The response is switched by opening or closing vents in the capsule backplate, so diaphragm thickness, tension and spacing are unchanged.
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