Tugboat BERTHA being raised by derrick RELIANCE at the Battery, New York, NY, December 1891 cyanotype Merritt-Chapman & Scott Corporation 1891-12 2008.28.1.4 ViewDerrick RELIANCE while preparing to raise tugboat BERTHA, New York, NY, December 1891 cyanotype Merritt-Chapman & Scott Corporation 1891-12 2008.28.1.10 View