Scientific American Volume 12 Number 22 (May 1865) . and since, has beenforemost in suggesting and applying improvements tosteam machinery. Mr. Sewell is widely known throughhis surface condenser, the only apparatus of the kindin general use throughout the country; in makingthis statement we are not ignorant of ihe fact thatmany others exist and are in daily use. The com-bined hand and steam pump is a recent invention ofMr. Sewell, and is highly spoken of by ingenuity was not so much manifested in so that when it is necessary to fill the lamp the burneris unscrewed from th
Scientific American Volume 12 Number 22 (May 1865) . and since, has beenforemost in suggesting and applying improvements tosteam machinery. Mr. Sewell is widely known throughhis surface condenser, the only apparatus of the kindin general use throughout the country; in makingthis statement we are not ignorant of ihe fact thatmany others exist and are in daily use. The com-bined hand and steam pump is a recent invention ofMr. Sewell, and is highly spoken of by ingenuity was not so much manifested in so that when it is necessary to fill the lamp the burneris unscrewed from the same and turned over, as shownin the engraving. The spring, A, holds the burneron the lamp and at the same time draws the wick tothe opposite side of the neck of the lamp, therebyleaving an ample opening for the admission of spring is also sufficiently flexible or elastic thatit may be withdrawn from the lamp if necessary andagain replaced. This novel and simple invention was patented onthe 7th of March, 1865, and further information may.
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectcombina, bookyear1865
