Proofreading Service - Pain in the English
Proofreading Service - Pain in the EnglishProofreading Service - Pain in the English

Your Pain Is Our Pleasure

24-Hour Proofreading Service—We proofread your Google Docs or Microsoft Word files. We hate grammatical errors with passion. Learn More




Member Since

March 19, 2003

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Off His Rocker

  • March 19, 2003, 5:16am


For steam-powered machines that ran at varying speeds, it was clearly not practical to control the speed of operation by producing varying amounts of steam. Instead mechanisms were incorporated that regulated the amount of steam that actually drove the machine. An integral part of such a regulator is the rocker, hence if a machine was 'off its rocker' it meant its regulator was shot and the machine was out of control.