The Columbia Type BK Graphophone Phonograph
The Columbia Model BK is known as the “Jewel” and was the least expensive in the new line of Graphophones in 1906. It had a production run from 1906 to 1909. The oak cased housed a double spring motor. It has the new “Lyric” spring tension reproducer. This Graphophone had a selling price of $20.00 when new in 1906. It came with a 14 inch black and brass horn, but other horns were available for an additional cost.