ecially suited for use in Col- lege Laboratories ana in iron and steel manu- shallow wells in any kind of soil or rock. Mounted 685 Monadnock Block CHICAGO, ILLINOIS facture, brilliant spectrum, high dispersion, on wneels or on sills. "Witb engines or Horse powers. low in price. The Opaque… … ELECTRICAL MOTORS — THEIR is tested and timed for weeks by experts—all necessary changes being made, not by Stereo Field Glasses Construction at Home. Scientific American Sup- manipulating the regulator, but by complete readjustment. It is then cased by the makers plements 759, 761* 767, 641. Price…
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