drivenout of the market by the American manufacturers, but wewere so informed elsewhere. And we <an readily believethat, if one saw factory makes twelve thousand dozen perweek, to say nothing of a number of others in the businessin this country, the demand is enormous. A useful suggestion for a… … A Rapid Evaporator, S. suggests, for rapid evaporation at a low temperature, anarrangement using the principle of the bellows for displacingthe air charged with vapor. A pan (a large shallow one is preferable) with a cover sus-pended from a horizontal lever, the lever moving verticallyon a pivot at…
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