What rhymes with elswick compressor?
el·swick com·pres·sor

An arrangement for compressing friction plates used in the English navy to take up the recoil of gun-carriages upon their slides. The 7 friction plates arranged longitudinally under the carriage and attached to its lower part, have alternating between them 6 long flat bars attached at their ends to the slide by bolts passing through them, but allowing them a side motion. The plates and bars are tightly clamped by short rocking levers, the lower ends of which act on the outside plates. The levers are worked by collars on a threaded shaft, which catch their upper ends. The shaft is called the compressor shaft, and has a handle or crank on the outside of each cheek or bracket,—one is called the adjusting lever, the other the compressor lever. The first is used to give an initial compression to suit the charge, the other is operated by the recoil being forced down by a tripper on the slide. Two forms of the compressor are used,—one for the single plate, the other for the double-plate carriage. In the double-plate carriage the adjusting lever can be set to any degree of compression without causing any motion in the compressor shaft or lever.

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