Father Braun (Die liturg.
When the methods for effecting this had been worked out practically it finally led to the inventions of Slaby, Braun and others being united into a system called the Telefunken system, which, as regards the transmitter, consisted in forming a closed oscillation circuit comprising a condenser, spark gap and inductance which at one point was attached either directly or through a condenser to the earth or to an equivalent balancing capacity, and at some other point to a suitably tuned antenna.
If this patch is also given a displacement in the direction of right angles by examining it in a steadily vibrating mirror, we see a wavy or oscillatory line of light which is an optical representation of the wave form of a current in the coils embracing the Braun tube.
The polyzoic view is ably championed by Braun (2) and (3).
Slaby and Braun were the most active.
Otto Braun (1908), who also wrote Schellings geistige Wandlungen in den Jahren 1800-1810 (1906); Rosenkranz, Schelling (1843); L.
Braun and Hogenberg's map was published in 1572-1573, and the so-called Agas's map was probably produced soon afterwards, and was doubtless influenced by the publication of Braun and Hogenberg's excellent engraving; Norden's maps of London and Westminster are dated 1593.
The custom is very ancient, Father Braun giving evidence as to its existence at Rome as early as the 6th century (Liturg.
Father Braun (Liturgische Gewandung, p. 457) gives a picture of a seal of Charles IV.
Mitres with horns on either side seem to have been worn till about the end of the 12th century, and Father Braun gives examples of their appearances on episcopal seals in France until far into the 13th.