Folios 254-263: CB number 01438 O.X.O, Copy number 439, U.104 Interrogation of Survivors,...

Folios 254-263: CB number 01438 O.X.O, Copy number 439, U.104 Interrogation of Survivors, May 1918. U. 104 was sunk on 25 April 1918.

Folio 255: Cover sheet, U.104.

Folio 256: table of contents.

Folios 257-258: Last Cruise of U.104 (sunk in 25 April 1918): Proceeded from Wilhelmshaven north of Scotland and west of Ireland to St. George?s Channel. Depth charged by an American destroyer, probably Cushing, and on 25 April further depth charged by HMS Jessamine. The sole survivor escaped through the forward torpedo hatch.

Folios 257-258: Previous Cruises of U.104: (1) October 1917 North west of Hebrides, no sinkings. (2) December 1917 English Channel and Biscay sinking 6 ships. (3) January 1918 In Channel and off Brest sinking 5 ships.

Folio 258: Sole survivor Engine Room Petty Officer Karl Echenberg. Severed previously on destroyers T.91 and G.104, training on submarines UB.5, UB.11, UC.28 and U.96 before commissioning of U.104 in September 1917.

Folio 258: General remarks on the Officers and Crew of U.104. Officers were popular. Bulgarian Sub-Lieutenant on board for training presumed to be taking command of a submarine purchased from Germany.

Folios 259-262: U.104: General Description, Air Service, Armament, Batteries, Bilge Keels, Blowing Stations, Bulkheads, Colour, Detachable Keels, Diving Capabilities, Drinking Water, Engines, Fuel, Hatches, H.P. Air Compressors, Hydroplanes, Kingstons (Flooding Flaps), Lubricating Oil, Motors, Periscopes, Pumps, Recognition Marks, Rescue Hatch, Sounding Machine, Steering Gear, Tanks, Telephone Buoy, Turbo Blowers, Vents, Wireless Telegraphy. Plate I: Arrangement of Bulkheads. Plan view showing main compartments. Venting Arrangements. Plan View showing ballast tanks and fuel oil tanks (folio 259).

Folio 262: Cruiser Submarines: Prisoner heard that first large cruiser submarines were about ready. They can dive to 140-150m and have large surface endurance. Allied Countermeasures against Submarines: Depth charges and aircraft bombs less feared than mines. Pressure hull and bulkheads have resilience to withstand explosions but hatches can spring. 2nd Submarine Flotilla, Heligoland includes U.53 and U.62. U.61 was overdue. Prisoner heard that in the sinking of Lusitania, the Navigating Warrant Officer had fired torpedo without orders from Lieutenant-Commander Schwieger. This Officer was stated to have been subsequently degraded, or at any rate severely punished.

Folio 263: Battle Cruiser Hindenburg has two funnels and two masts.

Folio 263: While on Torpedo-Boat Destroyer G.104 in action with British ships and rescued survivors from HMS Arabis. Heard that Wilhelmshaven Dockyard strike was half-hearted.

Folio 263: Appendix I: List of U. 104 crew with names and their rank.