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Scientific American, Vol. 61, No. 15 (1889) (1889)

leaf 3

An illustration from Scientific American, Vol. 61, No. 15 (1889), 1889, leaf 3
n. In the central part of the ————\+o+o-—__—— arm is suspended the outer end of apenciltube. The clamp at the top is a stud, over which fits one endof Carbonic Acid in Phthisis. inner end of the pencil tube rod is pivoted in a short an inclined bar to be used on the outside of the rail, Dr. Hugo… … the sill, at the left of the window casing, folding patented by Mr. John Scanlon, and is illustrated here- WADE’S SKETCHING TRIPOD. arms are mounted in the runways of the lower and with. The upright boiler-like structure, A, is divided upper sashes, the arm in the runway of the outer sash into top,…

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