[Model of a proposal for the preservation and reconstruction of an historic city block in Downtown Manhattan.]

[Model of a proposal for the preservation and reconstruction of an historic city block in Downtown Manhattan.]

[Model of a proposal for the preservation and reconstruction of an historic city block in Downtown Manhattan.]

[Model of a proposal for the preservation and reconstruction of an historic city block in Downtown Manhattan.]

[Model of a proposal for the preservation and reconstruction of an historic city block in Downtown Manhattan.]

[Model of a proposal for the preservation and reconstruction of an historic city block in Downtown Manhattan.]

[Model of a proposal for the preservation and reconstruction of an historic city block in Downtown Manhattan.]

[Model of a proposal for the preservation and reconstruction of an historic city block in Downtown Manhattan.]

[Model of a proposal for the preservation and reconstruction of an historic city block in Downtown Manhattan.]

[Model of the first electric station in the world for the production and distribution of power.]

[Model of the first electric station in the world for the production and distribution of power.]

[Model of the first electric station in the world for the production and distribution of power.]

Downtown District of Manhattan

[Model of a fire engine.]

Model of Diana sculpture for tower of Madison Square Garden.

Model of Diana sculpture for tower of Madison Square Garden.

[Model of the Queensboro bridge.]

Model of Diana sculpture for tower of Madison Square Garden.

[Model of the tower of the Queensboro Bridge. ]

[Model of a Baltimore & Ohio locomotive.]