Light energy, its physics, physiological action and therapeutic applications (1904)
Cleaves, Margaret Abigail, 1848-1917 · New York, Rebman company;[etc., etc.] · leaf 590
apparatus may be fixed toa stand. For the extremities there are used drum-shaped boxes(see Fig. 30) into which groups of lamps, 2, 4, 6, 8 ormore, according to the size of the part, the condition, and thedegree of light intensity necessary, are placed. In these anopening may be cut in the thickest… … Fig. 30.—Local Light Baths.
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