Beck, Conrad, 1864- · London, R. & J. Beck, Ltd. · leaf 47
een referred to in coimectionwith substage condensers and dark-groundilluminators, but care should be exercisedin its use. When direct light_ is being used through a con-denser, it is damaging to theeyes if too strong a light is em-ployed. A strong iUuminant isnecessary for high-power dark-ground… … Fig. 36.—No. 3335, ParaffinLamp. light should be cut down. ILLUMINATING APPARATUS 45 object readily shovild be used, and no more. If tbis precautionis taken, microscopists need bave no fear of injuring tbeir eyes,however long tbey work. Tbe ligbt sbould be more powerfultban is required for general…
Microscopy
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
