Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 138
tobe done. Electric Lamps. — The increasing use of electric light hascaused some attention to be given to this form of illuminantfor microscopical work. There are several very handy patternsthat can be connected to the ordinary house circuit. It is notsuited for critical work, but the average… … Fig. 51. -Microscope Lamp with MetalChimney. 118 MODERN MICROSCOPY The Nernst electric lamp has been found a brilliant and usefulsource of light. The narrow filament is a cause of inconvenience,but its utility is such that it is the subject of constant improve-ments and experiment. The opticians…
Microscopy
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