[Model of a Baltimore & Ohio locomotive.]

[Model of Baltimore & Ohio's Tom Thumb locomotive.]

Model of Diana sculpture for tower of Madison Square Garden.

Model of Diana sculpture for tower of Madison Square Garden.

[Model of a fire engine.]

[William Galloway Locomotive.]

Model of Diana sculpture for tower of Madison Square Garden.

[Unidentified locomotive.]

[Locomotive.]

[Unidentified locomotive.]

[Locomotive.]

[Locomotive.]

Model of Diana sculpture for tower of Madison Square Garden.

[Unidentified locomotive.]

[Photomontage of Three Ship Models.]

[Model of the Queensboro bridge.]

["John Bull" locomotive.]

[Model of the tower of the Queensboro Bridge. ]

[Three men in front of a locomotive.]

Model of Stanford White monument.