The term " telephony " was first used by Philipp Reis of Friedrichsdorf, in a lecture delivered before the Physical Society of Frankfort in 1861.1 But, although this lecture and Reis's subsequent work received considerable notice, little progress was made until the subject was taken up between 1874 and 1876 by Alexander Graham Bell, a native of Edinburgh, then resident in Boston, Mass., U.S.A. Bell, like Reis, employed electricity for the reproduction of sounds; but he attacked the problem in a totally different manner.
At the herbarium in Brussels are the specimens obtained by the traveller Karl Friedrich Philipp von Martius, the majority of which formed the groundwork of his Flora Brasiliensis.
In 1703 Bengel left Stuttgart and entered the university of Tubingen, where, in his spare time, he devoted himself specially to the works of Aristotle and Spinoza, and in theology to those of Philipp Spener, Johann Arndt and August Franke.
The most learned of modern Melanchthon scholars was probably Karl Hartfelder, who wrote Philipp Melanchthon als Praeceptor Germaniae (Berlin, 18 99); Melanchthoniana paedagogica (Leipzig, 1892), giving in the first named two full bibliographies, one of all works written on Melanchthon, the other of all works written by him (in chronological order).
It forms golden cubes which are unattacked by alkalis or by any acid except hydrofluoric. It appears to be a mixture of which the components vary with the materials and methods used in its production (Philipp, Ber., 1882, 15, p. 499).
