Light energy, its physics, physiological action and therapeutic applications (1904)
Cleaves, Margaret Abigail, 1848-1917 · New York, Rebman company;[etc., etc.] · leaf 507
riker.1 ^reund. 466 LIGHT ENERGY. In his experiment as to the action of light, Widmark,1in 1889, made use of the same kind of apparatus. All ofwhich is illustrative of the fact that the means to the at-tainment of a definite end in all matters of scientific develop-ment lie at our door awaiting the… … Fig. 16.—a, support of the apparatus; b, support of the tubes;c, support of the lamp; d, positive carbon; d, negative carbon;e, water feed; f, f, rubber tube for water inflow; i, rubber tubefor water outflow ; m, entrance of water into cooling chamber; I, tubewith lenses; q, metal cylinder for the…