interborough rapid transit the new york subway its construction and equipment

200 H. P. railway motor, New York City

Public domain image of an early automobile, 1910s car, free to use, no copyright restrictions - Picryl description

Profile of Harlem River Tunnel and approaches; section of Harlem River...

Assembly of contact rail and protection; contact rail insulator.

Oil switches - main power station.

Part of bus bar compartments - main power station.

Public domain photograph of bus station, free to use, no copyright restrictions image - Picryl description

Exterior view of power house., New York City

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

Front view of block signal post, showing lights, indicatiors and track...

Picryl description: Public domain photograph of a narrow passage, corridor, street, old town architecture, arch, vintage print, free to use, no copyright restrictions.

Rear view of bus bar compartments - main power station; duct line acro...

Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description

Two groups of trans formers; motor-generators and battery board for co...

Plan of Brooklyn Bridge Station and City Hall loop.

Public domain scan of a plan, map, architecture drawing, or diagram, free to use, no copyright restrictions - Picryl description.

Difficult pipe work - Broadway and 70th Street.

Contact shoe and fuse., New York City

Public domain photograph of train car, railroad, free to use, no copyright restrictions image - Picryl description

Apparatus under composite motor car.

Exterior view - protected wooden car, showing copper sides; framing of...

Public domain photograph of a train, railroad, train car, free to use, no copyright restrictions image - Picryl description

Main controlling board in power station; control and instrument board ...

Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description

Electro-pneumatic interlocking machine on station platform.

Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description

Cross section sub-station no. 14; interior of sub-station no. 11.

Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description

Four column (tower) viaduct construction; Manhattan valley viaduct, lo...

Picryl description: Public domain image of a bridge, train viaduct, free to use, no copyright restrictions.

Small water mains between street surface and subway roof, substituted ...

City Hall Station., New York City

Public domain illustrated book page scan, free to use, no copyright restrictions image - Picryl description

Ducts under passenger station platform, 64 ducts; three-conductor no. ...

Public domain photograph of a machine part, motor, equipment, free to use, no copyright restrictions image - Picryl description

Contact rails, showing end inclines.

Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.

Supporting elevated railroad by extension girder - 64th Street and Bro...

Four-track subway - showing cross-over south of 18th Street Station.

West end power house in course of erection.

Public domain photograph of early 20th-century New York metropolis cityscape, buildings, no copyright restrictions image - Picryl description

Secondary distributing switchboard at passenger station.

Switch connecting feeder to contact rail; contact rail joint with fish...

Public domain photograph of a train, railroad, train car, free to use, no copyright restrictions image - Picryl description

Special riveted rectangular water pipe, over roof of subway at 126th S...

Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.

Operating room showing condensers - power house.

Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.

Concrete sewer back of side wall, Broadway and 56th Street; Large gas ...

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

Columns of Hotel Belmont, passing through subway at 42d Street and Par...

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

Side and end elevations of alternator.

Public domain scan of a print featuring furniture, art, or architecture design, free to use, no copyright restrictions image - Picryl description

Side elevation and cross section of alternator with part cut away to s...

Public domain photograph of construction architecture design, diagram, free to use, no copyright restrictions image - Picryl description

Ducts in side walls - eight only of the sixteen layers are shown.

Portion of main steam piping in pipe area.

Public domain photograph of early 20th-century New York metropolis cityscape, buildings, no copyright restrictions image - Picryl description

Three pipes substituted for large brick sewer at 110th Street and Leno...

Three-track concrete arch - 117th Street and Broadway.

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

Showing concrete over iron work - Harlem River Tunnel.

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

Side view of motor truck., New York City

Public domain image of an early automobile, 1910s car, free to use, no copyright restrictions - Picryl description

End view of motor truck., New York City

Operating gallery in sub-station; general diagram of 11,000 volt circu...

Interior view - skeleton framing of steel car.

Interior view of protected wooden car.

Public domain photograph of a train, railroad, train car, free to use, no copyright restrictions image - Picryl description

End view of steel passenger car.

Public domain photograph of a train, railroad, train car, free to use, no copyright restrictions image - Picryl description

Special interlocking signal cabin south of Brookyn Bridge Station.

Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description

Laying sheet waterproofing in bottom; special brick and asphalt waerpr...

Cross-section of power house., New York City

Public domain photograph of early 20th-century New York metropolis cityscape, buildings, no copyright restrictions image - Picryl description

Pneumatic track stop, showing stop trigger in upright position; view u...

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

Kiosks at Columbus Circle; Brooklyn Bridge Station.

Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description

Construction of Fort George Tunnel.

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Rear view of block signal post, showing transformer and instrument cas...

Cross section of power house in perspective.

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Erection of arch, Manhattan valley viaduct.

Picryl description: Public domain image of a bridge, train viaduct, free to use, no copyright restrictions.

View from top of chimney showing water frontage - power house.

West side of Columbus Circle Station (60th Street) - Illuminated by da...

Assembling iron work on Pontoon - Harlem River Tunnel.

Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.

Longitudinal section, sub-station no. 14.

Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.

Exterior view - steel car framing.

Public domain photograph of a train, railroad, train car, free to use, no copyright restrictions image - Picryl description

Contact rail bands; direct current feeders from manhole to contact rai...

Completed arch at Manhattan street.

Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.

Sewer siphon at 149th Street and Railroad Avenue; Concrete sewer back ...

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

Coal unloading tower on west 58th Street pier.

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

Plaque showing beaver at Astor Place Station; Express Station at 14th ...

Public domain photograph of stairs, steps, free to use, no copyright restrictions image - Picryl description

Typical section of four track subway.

Support of elevated railway station at 42d Street and Sixth Avenue.

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

Two column bent viaduct; traveler for erecting forms, central park tun...

Picryl description: Public domain image of a bridge, train viaduct, free to use, no copyright restrictions.

Looking up Broadway from Trinity Church - showing working platform and...

Metal underframe of protected wooden car.

Public domain photograph of 3d object museum collection, metal, no copyright restrictions image - Picryl description

Interior view of 148th Street repair shops.

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

West side of 23d Street Station.

Map showing the lines of the Interborough Rapid Transit Co.

Public domain scan of a railway map, transportation, industrial development, free to use, no copyright restrictions - Picryl description.

Standard steel construction in tunnel - third rail protection not show...

Public domain photograph of 3d object museum collection, metal, no copyright restrictions image - Picryl description

Operating board - sub-station no. 11.

Public domain scan of a print featuring furniture, art, or architecture design, free to use, no copyright restrictions image - Picryl description

Main line, piping and wiring for block and interlocking system, showin...

Plan 28th Street & 4th Avenue Station.

Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description

Transformer compartment in passenger station.

Converter floor plan, sub-station no. 11

Public domain scan of a plan, map, architecture drawing, or diagram, free to use, no copyright restrictions - Picryl description.

5,000 K. W. alternator - main power house.

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

1,500 K. W. rotary converter; motor-generator set supplying alternatin...

Exterior of sub-station no. 18; exterior of sub-station no. 11.

Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description

Section of subway at Pearl Street, surface railway tracks supported ov...

Public domain photograph - railway tracks, railroad, free to use, no copyright restrictions image - Picryl description

Profile of Rapid Transit Railroad Manhattan and Bronx lines; Profile o...

34th Street and Park Avenue, looking south.

Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description

Switchboard for alternating current block signal circuits - in sub-sta...

Side view of steel passenger car.

Apparatus under steel motor car; fire alarm.

Reinforced concrete construction; roof showing concrete-steel construc...

Manholes in side wall of subway.

Public domain photograph of early 20th-century New York metropolis cityscape, buildings, no copyright restrictions image - Picryl description

28th Street Station. - Public domain drawing

Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description

Interborough rapid transit; the New York subway, its construction and ...

Picryl description: Public domain illustrated title page book scan, free to use, no copyright restrictions image.

58th Street power house - general plan of coal bunkers and economizers...

Diagrams of direct current feeder and return circuits.

Inside wall of tunnel showing 64 ducts.

Subdivision of 36" and 30" gas mains over roof of subway - 66th Street...

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

Interborough rapid transit; the New York subway, its construction and ...

Picryl description: Public domain illustrated title page book scan, free to use, no copyright restrictions image.

Moving west side wall to widen subway for third track - 135th Street a...

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description