doi:10.7916/D8WM1GN0Manufactory Royal Baking Powder. ... Office. 171 Duane St. N.Y. The great suspension bridge between New York and Brooklyn, New York elevated rail road etc. Dimensions of the great bridge. ... Kitchen economy. Interesting tests made by the government chemist. (From the New York Tribune, December 17, 1880.)Royal Baking Powder CompanybookstextBaking powder.Extracts.Advertising--Baking powder.Brooklyn Bridge (New York, N.Y.)--Pictorial works.Brooklyn Bridge (New York, N.Y.)Royal Baking Powder Company