Item 01: Sydney B. Young war diary, 13 May-24 July 1916 - Page 66
Plymouth. The mouth of the harbour is mined thus, [sketch of minefield] The squares represent the baskets containing explosive floating on the surface of the water joined together by wires & any vessel striking any part of this explodes the whole.
We next passed Three very old style warships of the "Victory" type moored together and ostensibly used as naval Training School. Their names were "Impregnable" "Inconstant" & "Black Prince" They seem to resemble a five or six story house and to be all windows [small sketch]