Numerous Causes of Surgical Operation Without Pain in the Mesmeric State (1843)

He had found his remedy for the summer slump. Within a week he had installed a system of large overhead fans and an exhaust blower and saw his production figures mount to the winter’s best average. From careless, indifferent workers, on edge at trifles and difficult to hold, his force developed steadiness and efficiency. Not only was the output increased twenty per cent over previous summers, but the proportion of spoiled work was considerably reduced.