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320 South Boston Building

Skyscraper located in downtown Tulsa

Field	Value
name	320 South Boston Building
former_names	Exchange National Bank Building
alternate_names	National Bank of Tulsa Building
status	Completed
image	320 S Boston Tulsa OK.jpg
caption	320 South Boston Building, Tulsa, OK
address	320 South Boston
location_town	Tulsa, Oklahoma
location_country	USA
start_date	1916
completion_date	1928
height	400 feet
floor_count	22
floor_area	396,822 sqft
architect	Oscar Wenderoth; Weary & Alford Company

The 320 South Boston Building (formerly known as the National Bank of Tulsa Building) is a 22-story skyscraper located in downtown Tulsa, Oklahoma. It was originally constructed at the corner of Third Street and Boston Avenue as a ten-story headquarters building for the Exchange National Bank of Tulsa, Oklahoma in 1917, and expanded to its present dimensions in 1929. The addition brought the building's height to 400 feet (122 m), making it the tallest building in Oklahoma. It lost this distinction in 1931, but remained the tallest building in Tulsa until Fourth National Bank (today Bank of America Center) was completed in 1967. It is now included in the Oil Capital Historic District.

Description and history

The building sits on the west side of Boston Avenue and extends a full city block between Third and Fourth Streets. The Beaux Arts-style building was designed by Oscar Wenderoth of the Chicago architectural firm of the Weary & Alford Company. It is covered in brick with terra cotta trim. The lower two stories are covered in terra cotta. The central tower is stepped at the 20th floor, with a two-story arcade section, which is topped by a temple fronted section. A cupola tops the section. For many years, the cupola was illuminated by floodlights whose color changed according to the latest weather forecast. Green light meant a fair weather forecast, while red lights signified an approaching storm.

In 1933, Exchange National Bank reorganized and renamed itself as the National Bank of Tulsa. Thereafter, the building was known as the National Bank of Tulsa Building (or NBT Building), until the bank renamed itself as Bank of Oklahoma (BOK). The BOK moved to its newly constructed BOK Tower in 1977. The NBT Building reverted to its former 320 South Boston Building name and became a general office building. Among the tenants are Hall Estill, one of Oklahoma's largest law firms.

In 1949, Tulsa television station KOTV erected its first transmitter atop the building. During construction, a worker's wrench fell and struck a woman on the street below, killing her. KOTV continued to broadcast from the building until a taller tower was constructed in 1954.

A longstanding urban myth regarding the pinnacle of 320 South Boston Building erroneously reported that the tower was designed as a Zeppelin mooring. The myth, often propagated by local media, stated that the pinnacle was used at least once when a U.S. Navy Zeppelin moored there in the 1930s.

The top of the building was illuminated for weather alerts, with flashing red lights in the event of an approaching storm.

The architect was George Winkler, who also designed the Mayo Hotel.

Notes

References

"320 South Boston Building". CTBUH.
[http://historictulsa.blogspot.com/2011/02/bank-at-320-south-boston.html Historic Tulsa: The Bank at 320 South Boston]
{{usurped
[http://www.ocgi.okstate.edu/shpo/nhrpdfs/10001013.pdf National Register of Historic Places Registration Form for Oil Capital Historic District.] {{webarchive. link. (2014-07-15 Retrieved June 19, 2014.)
[http://www.tulsagal.net/search/label/Banks "Tulsa Banks:The Farmers/Exchange/NBT/BOk." Tulsa Gal blog. January 22, 2012.] Accessed July 15, 2015.
"Tulsa TV history thesis, Chapter 2".
Underwood, Bill (February 26, 1997). "320 South Boston." ''Tulsa World''.
Clark, Richard. "Throwback Thursday: The Legend Of Tulsa's Airship Mooring Mast." Newson6.com. (April 16, 2015) [http://www.newson6.com/story/28623334/throwback-thursday-the-legend-of-tulsas-airship-mooring-mast]
"Throwback Tulsa: Weather Teller beamed color-coded forecast over downtown".
"Tulsa TV Weather".

Info: Wikipedia Source

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