Wood, J. G. (John George), 1827-1889, West, Tuffen, Knapp, Arthur M., former owner · London ; New York : Routledge, Warne, and Routledge · leaf 74
e of an old knife kept for the purpose, and thenrubbing the edges cleau with a rag moistened withether or spirits of turpentine. Some structures require to be soaked for a consider-able time in turpentine, and others in liquid potassse,before they can be made sufficiently transparent to* bemounted.… … SLIDE HOLDER. spilt on the hands. If, in spite of all precaution, air-bubbles will make their appearance in the balsam, tryto stir them to the top with one of the needles, andthen break them by heating the needle and touchingthem with the point. After waiting until the balsam is quite…
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