West end of switchboard showing pressure guages [in the] Western Union Building.
Connecting board in Consolidated Gas Co. Building, East 15th Street.
Consolidated Gas Co. Building, East 15th Street. Front view of switchboard booster system.
Consolidated Gas Co. Building, East 15th Street. Storage batteries and booster outfits.
Old switchboard in Altman store.
Western Union Building, interior.
Western Union Building. Cable box.
43rd Street and 5th Avenue. View of conduits and boxes taken in the Postal Life Building.
View of conduits and boxes taken in the Postal Life Building.
Broadway and Fulton Street. Western Union Building, general interior of engine room.
108th Street and Manhattan Avenue. View of switchboard [at] Cathedral exchange.
Liberty Street and Broadway. View of panel board in Guarantee Trust Building.
Williamsburg, Brooklyn. Austin-Nichols and Co., peanut butter machines.
Williamsburg, Brooklyn. Austin-Nichols and Co., control and motor to refrigerator plant.
Austin-Nichols and Co., coffee roasting department
Austin-Nichols and Co., view of two connecting boxes.
Austin-Nichols Co., view of switchboard.
West 36th Street. High tension system in Hill Building. Panel board in place.
West 36th Street. High tension system in Hill Building. Connections uncovered.
East 43rd Street. Panel box in Transit Annex Building.
Consolidated Gas Co. Building, East 15th Street. Connecting Box.
43rd Street and 5th Avenue. Postal Life Building, interior.
Empire State Building, view [of] installation.
350 Fifth Avenue. Empire State Building, view [of] installation [plumbing?].
350 Fifth Avenue. Empire State Building, view [of] installation electrical.
West 34th Street and Fifth Avenue. Empire State Building, view [of] installation of machinery.
350 Fifth Avenue. Empire State Building, view [of] installation.
American Safety Razor Co. Brooklyn N.Y.C.
American Safety Razor Co. Brooklyn N.Y.C. Backing & Grinding Dept. looking S.W. Sixth Floor
American Safety Razor Co. Brooklyn N.Y.C. Backing & Grinding Dept. looking N. Sixth Floor
Western Union Building. L.K. Comstock Company. Orangeburg fiber conduit installation
Hershey Chocolate Co. #339 Sixth Ave. N.Y.C. Sixth Floor. Huller, Dust Collector & Eye-Machine
Hershey Chocolate Co. #339 Sixth Ave. N.Y.C. Sixth Floor. Roasters
Hershey Chocolate Co. #339 Sixth Ave N.Y.C. Sixth Fl. Roasters
Hershey Chocolate Co. 339 Sixth Ave. N.Y.C. Office
Hershey Chocolate Co. 339 Sixth Ave. N.Y.C. Fifth floor - Paper box factory
Hershey Chocolate Co. 339 Sixth Ave. N.Y.C. Fourth floor day-mixers
Hershey Chocolate Co. 339 Sixth Ave. N.Y.C. Chocolate box sealing machine. First floor
Hershey Chocolate Co. 339 Sixth Ave. N.Y.C. First Floor. Box sealing machine
Hershey Chocolate Co. #339 Sixth Ave. N.Y.C. Wrapping machines