Columbia Grafonola
id:
columbia-grafonola-166-18695932
title:
Columbia Grafonola
text:
The Columbia Grafonola is a brand of early 20th century American phonograph made by the Columbia Graphophone Company. Introduced in 1907, Grafonolas are internal horn alternatives to the same company's external horn Disc Graphophones. Until late 1925, all record players reproduced sound by purely mechanical means and relied on a so-called "amplifying" horn to efficiently couple the vibrations of the stylus and diaphragm to the space occupied by the listeners. In 1906, the Victor Talking Machine
brand slug:
wiki
category slug:
encyclopedia
description:
Brand of early 20th century American phonograph
original url:
https://en.wikipedia.org/wiki/Columbia_Grafonola
date created:
2016-02-27T19:34:29Z
date modified:
2024-08-30T03:15:59Z
main entity:
{"identifier":"Q24197233","url":"https://www.wikidata.org/entity/Q24197233"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/0/06/GrafonolaCapture1.png","width":359,"height":481}
fields total:
13
integrity:
16