Light energy, its physics, physiological action and therapeutic applications (1904)
Cleaves, Margaret Abigail, 1848-1917 · New York, Rebman company;[etc., etc.] · leaf 500
-24% Sn -f- 8% Fe -f- 1% Sb) known as the Brandes-Schii-mann,1 reflects only 50%, but reflects ultra-violet more thanother metals. Mirrors of the Brandes-Schumann alloy take a very goodpolish, and resist the action of the air. Steel might also serveas a reflector. Victor Schumann, to whose research… … Fig. 54.—Therapeutic Arc Lamp of 25 to 40 amperes, directcurrent; requires no water cooling for shell; is very useful in skindiseases and other local conditions. CONCENTRATED ELECTRIC ARC LIGHT ENERGY. 463 of aluminum and magnesium, reflect not only the visiblespectrum, but the ultra-violet very…
