Plumbing, view of flange connection, lead pipe

Plumbing operation tools, skimming off melted lead

National Lead Company. View of lead flashing on roof

237 East 37th Street. Murray Hill High School. Lead pipe set up with plumbing students

[Interior, possibly a basement, with unidentified equipment.]

Burning lead with torch

636 Columbus Avenue. Interior, bathroom showing remodeling with lead plumbing

350 Fifth Avenue. Empire State Building, view [of] installation [plumbing?].

[Interior, view of air ducts.]

View of lead flashing on roof of National Lead Co.

View of fountain with lead female figure.

U.S. Federal Court Building, detail view showing lead installations.

East 58th Street. Street opening, wiping joint of lead pipe on street

237 East 37th Street. Murray Hill High School. Lead pipe set up

Centre Street and Pearl Street. U.S. Federal Courthouse. Interior, detail of roof showing lead installations

Views showing use of lead inserts in constructing mausoleum at Woodlawn Cemetery, "William C. Gotshall", also one view showing putting name on tomb with lead inlay.

[Brick wall cut-away with embedded drainage pipe.]

[Exhaust system on roof.]

[Machine room.]

[Interior, boiler room.]