nut while being loosened, when, as is frequently the case, it has become very tightly screwed on. This improvement sup- plies a cheap and, doubtless, efficient wrench which, it is claimed, renders the usually tedious and dirty operation of oiling or greasing rapid and cleanly. With it there need be… … edges of windows, preventing the entrance of cold air or For further information address the manufacturer, N. L. dust, but also as a convenient attachment for sashes unpro- Po.st, P. O. Box 53,-Bast Cleveland, Ohio, by whom it was vided with cords and pulleys. patented February 11, 1873. Fig. 1…
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