View of test for window in Chelsea exchange.
Chelsea Telephone Exchange, testing box.
North River Savings Bank (now Chelsea Exchange National Bank), interior.
View of large window taken in factory.
[Interior, view of window.]
View of tall narrow windows taken in factory.
View of window in show room a man cleaning same.
Broad Street. View of Old Curb Exchange.
[View of East River through a window].
[Interior, view near ticket windows.]
[Copy of an old photo of] gauges on board for testing, 1917-1918.
View of metal window exhibits, Architects Samples Corp.