Temporary instruction for the wiring of convoys and individual ships behind trawls

A temporary instruction for the wiring of convoys and individual ships behind the trawls.- [B.m.]: headquarters B.V.F., 1942. -10 p., 1 l.schemes .. -Ex.: Without Titus.l., with a handle.litter..1. Territory, power (collection).Electronic copy source: PBOriginal storage location: VMA