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DECEMBER 1901 29 The room is one of the many record rooms at the Edison Laboratory where all Edison records are made. You will notice in this sketch that Mr. Harlan is sing- ing to three machines at one time. This is the usual way Edison records are made and where so many records of the same selection are desired, it Is of course necessary that the best master records be secured. The three records are taken from the machine and the best one selected and this one is used as a master record from which the records for the market are made. The process of making these rec- ords from the masters is called duplicating and is done on special machines which engrave one or more records from the master. They are very delicate instruments, with very fine adjustments; and must be watched very closely by ex- perts in order that the records are perfectly made. The Electric Phonograph is used here for convenience sake only. It requires time to wind up a machine and time must be considered in making records of Professionals. The piano you will notice is raised off the floor and stands on a platform. This is in order that the keyboard of the piano be on a level with the horns of the machines and at the same time the singer is able to stand up while singing. We have departed slightly from our theme in introduc- ing this picture to our readers. We left our singer stand- ing before the machine singing his song to the Phonograph and we will suppose by this time he has finished and we are ready to reproduce the record. We will say the song was “ Coon, Coon, Coon ** and we reproduce it by removing the recorder from the arm of the machine and placing the reproducer in position. The announcement comes out clear and distinct and the song follows as it was sung. The first verse is fine5 now comes