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.

International Magazine Co., Interior, Stenographic Dept.

Mad. Sq. Garden, May, '06.

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

International Magazine Co., Interior, Correspondence Dept.