[Interior, elevator lobby with letter box.]

[Interior, detail of letter box.]

[Interior, elevator lobby.]

Broadway and Dey Street. New York Telephone and Telegraph Building. Letter Box.

[Interior, elevator lobby.]

80 Broad Street. Stone and Webster building. Interior detail, letter box

[Interior, entrance hall.]

[Interior, entrance hall.]

[Interior, elevator lobby.]

[Interior, elevator lobby.]

[Interior, hallway with reception desk.]

[Interior, elevator lobby.]

[Interior, elevator lobby.]

[Interior, foyer.]

[Interior, stairs.]

[Interior, lobby.]

[Interior, elevator lobby.]

[Interior, vestibule.]

Arsenal Building [Letter box before installation.]

233 Broadway. Woolworth Building. Interior, cutler mailbox in entrance hall