Browse Items (2210 total)

This is 21st Street interlocking, remotely controlled from B Tower, looking toward the west. The main tracks, connected here by universal crossovers and signalled in both directions, are on the right. The track at center comes from the eastbound…

Harlem River four track swing bridge.

Joining two sections of new Harlem River bridge.

Joining two sections of new Harlem River bridge.

Joining two sections of new Harlem River bridge.

Raising 30 ton sheaves for new Harlem River Bridge.

Raising 30 ton sheaves for new Harlem River Bridge.

Construction of new Harlem River Bridge.

Construction of new Harlem River Bridge.

Unloading girder sections for Harlem River Bridge. 76 ton piece in well car.

138th. St. bridge lift tower.

138th. St. bridge lift tower.

Oscawana Tunnel.

Oscawana Tunnel.

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