f No. 372 Broome Street, as to close inside of the same, is illustrated herewith, to resort to that system. The present: method is to New York City. Attached to the under side of the and has been patented by Messrs. Peter Scheer and bore a hole down into the salt bed. In this hole a board, near… … of Chemistry. This is the gas nitrogen, which con- SCHEER & STATES’ SLIDING-DOOR HANDLE. stitutes four-fifths of the atmosphere which surrounds thickness of the door, as shown in Fig. 1, forms a part us. Itis apparently a dead and inert form or manifes- of the handle, this band being divided by a…
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