[Interior, basement with air ducts.]

[Interior, basement with air ducts.]

[Interior, basement with air ducts.]

[Interior, basement with air ducts.]

[Interior, basement with air ducts.]

[Interior, detail of air ducts.]

533 West 57th Street. Pavelle Laboratories. Interior, detail of machinery and air ducts

533 West 57th Street. Pavelle Laboratories. Interior, detail of machinery and air ducts

[Interior, basement showing damage.]

[Interior, view of air ducts.]

[Interior, radiator manufacturing shop.]

851 Grand Concourse. Bronx County Courthouse. Interior, basement prison cell

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

851 Grand Concourse. Bronx County Courthouse. Interior, basement prison cell

851 Grand Concourse. Bronx County Courthouse. Interior, basement prison cell

Walker Lispenard Telephone Building, interior basement, 6" curved conduits, electric.

19 East 72nd Street. Interior, laundry cubicle in basement

1285 6th Avenue. Equitable Life Assurance Society, vault interior, sub-basement.

[Interior with machinery.]

90 Church Street. U.S. Federal Building and Post Office. Interior, basement truck loading platform