Dates
			
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			Location
			
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			Oct. 25, 1870 to May 29, 1871
			
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			Board of Underwriting Building 
			49 Wall Street NY, NY
			
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			May 29, 1871 to Mar. 15, 1895
			
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			Equitable Life Insurance Building  
			120 Broadway NY, NY
			
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			Mar. 15, 1895 to Oct. 16, 1898
			
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			Manhattan Life Insurance Building 
			66 Broadway NY, NY
			
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			Oct. 16, 1898 to Apr. 30 , 1911
			
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			American Surety Building 
			100 Broadway NY, NY
			
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			May 1, 1911 to Dec. 27, 1960
			
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			Whitehall Building 
			17 Battery Place NY, NY
			
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			Dec. 28, 1960 to Oct. 24, 1993
			
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			RCA/GE Building 
			30 Rockefeller Center NY, NY 
			Mezzanine Level
			
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			Oct. 25, 1993 to Present
			
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			Brookhaven National Laboratory  
			175 Brookhaven Ave, Building NWS #1 
			Upton, NY (Long Island)
			
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