[N.Y. Edison Co., 55 Duane St.]

[N.Y. Edison Co., 55 Duane St.]

N.Y. Edison Co., 55 Duane St.

[N.Y. Edison Co., 55 Duane St.]

N.Y. Edison Co., 55 Duane St.

N.Y. Edison Co., 55 Duane St.

[N.Y. Edison Co., 55 Duane St.]

[N.Y. Edison Co., 55 Duane St.]

N.Y. Edison Co., 55 Duane St.

N.Y. Edison Co. Dictaphones.

Edison Phono Co., W. Orange.

Edison Phono Co., W. Orange.

National Phonographs Co., Mad. Sq. Garden.

National Phonographs Co., Mad. Sq. Garden.

National Phonographs Co., Mad. Sq. Garden.

Mad. Sq. Garden, May, '06.

Mad. Sq. Garden, May, '06.

International Magazine Co., Interior, Stenographic Dept.

The Adjustm't Corp'n, Nat'l Phono'ph Co.

[Advertising Show, Edison Exhibit, Madison Sq. Garden, 1906.]