Description: I. Scenes on board HMS Manxman. MCUs as mines pass along conveyors to stern chutes for laying. Ratings close starboard ML door. MS (very dark) along mining deck to starboard after door and wake, and HA/MS over ship's stern as mines are laid. MCU as two ratings clean and grease chain conveyor.
II. Coastal minelayer. Ratings reeve the hauling aft wires for laying contact mines. XCU as water tight doors on mining deck are opened. MSs showing the mining party pushing a mine from laying position aft into the mining space (the ship is moored alongside another vessel). MCU as mining party hoists out the intermediate bogey as it arrives at a gap in the ML rails, and a second tier of mines passes the camera to join the first. CU of the unsnatching of the wire and breaking the rails to remove the bogey. HA.MS and MCU as mines are hauled aft along port track. MCU as mining doors are opened. MS after along rails to the mining party at their stations a tier of mines passes into frame and the camera pans left to hold winch and crew. HA.MCU as mines pass along rails to stern. Study of ship's wake as newly dropped mines curtsey and dip. CU, bridge indicator to Mine Hut (order transmitter and repeat). CU inside Mine Hut showing operation of repeater transmitter - which reads "Have checked - Mine Lights On - Ready - Am Laying".