Berliner Gramophone formulations remained the standard disc record material until the first vinyl records – initially made only for radio use and other special applications – were introduced in the 1930s. Beginning in 1896, Berliner's gramophones were made by Philadelphia-based machinist Eldridge Johnson, who added a spring motor to drive the previously hand-rotated turntable. Berliner also opened an office in New York City, staffed by Frank Seaman and O. D. LaDow and organized as the National Gramophone Company. Master recordings were made onto zinc plates, which were then electroplated and a negative-image "mother" made from them to stamp discs. A major reversal
What Are The Theosophists? What Are The Theosophists? "What Are The Theosophists?" is an editorial published in October 1879 in the theosophical magazine "The Theosophist." It was compiled by Helena Blavatsky and it was included the 2nd volume of the "Blavatsky Collected Writings." Arnold Kalnitsky wrote in his thesis that in this article "we find a rather expansive statement of... [Blavatsky's] thoughts at that moment about the status of the movement, the Theosophical Society, its objectives, and the issues it was confronting." He wrote that the article begins with a question whether the Theosophists "are they what they claim to be": researchers of the