 Complete the following phrase:  The were a pair of armored corvettes built for the Imperial Japanese Navy IJN by British shipyards in the 1870s. A British offer to purchase the two ships during the Russo-Turkish War in 1878 was refused. They became training ships in 1887 and made training cruises to the Mediterranean and to countries on the edge of the Pacific Ocean. The ships returned to active duty during the First Sino-Japanese War of 189495 where one participated in the 