Box containing thirty seven rolled plans - twelve plans for Myrmidon Class, one plan for 'Myrmidon' 1843, one plan for 'Murray' 1966, one plan for a Motor Torpedo Boat 1943, one plan for Mounts and Morcambe Bay Frigates, one plan for H.M. Submarine Class M1, 2, 3 & 4 1919, one plan for H.M. Submarine Class M1 & 2 1921, sixteen plans for 'Mutine' & 'Rinaldo' 1899, two plans for 'Munlochy' & 'Mallaig' 1918, one plan for 'Myngs' and one plan for 'Mulgrave' 1944.