[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Lighting exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Belgian exhibit at the New York World's Fair.]

[Lighting exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]

[Exhibit at the New York World's Fair.]