Merchant Shipping Act, 1876. Return of all ships ordered by the Board of Trade, or its officers, to be provisionally detained as unsafe, in pursuance of the provisions of the 39th and 40th Victoria, Chapter 80, Section 6, from 1st October 1876 to 31st March 1877; together with a summary, showing the total number of ships ordered to be detained since the commencement of the act, distinguishing between those cases in which the were found safe, or unsafe [electronic resource].