Light energy, its physics, physiological action and therapeutic applications (1904)
Cleaves, Margaret Abigail, 1848-1917 · New York, Rebman company;[etc., etc.] · leaf 542
Fig. 26. Fig. 27. the eye and nose. Both are provided with tubes for theinflow and outflow of water. Length of Exposures with Different Mechanisms. Withthe original Finsen apparatus the author found it necessaryto make exposures from an hour to two hours in length,according to the pathological…