ted by netting or oiled mus- ings formed in the stile me fitted boxes, in each of lin, of sufficient size to permit them to be opened to which is journaled a small pinion which meshes with approximately a right angle. The free edge of the the racks on the sash and weight, so that the move- netting… … trated lecture on Friday evening, by Prof. C. A. Ash- LENNON'S SASH BALANCE. PAINE'S DEVICE FOB OPENING WINDOW SASHES. burner, of Pennsylvania, on "The Geology of Oil and verse motion to the weights, which thus balance the Gas." Special preparations have been made by the ient reach, so that, by…
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