Period instruction card'Das Überwinden von Gewässern mit behelfsmäsigen Mitteln' (crossing water with necessary)

This is a nice - and not that easily encountered! - example of a period WH instruction-card (originating from the popular series:Ausbildungstafeln für die Infanterie. The medium-sized card (which is folded sized: 16 x 60 cms. and which contains operating-instructions how to cross rivers etc.by using all sorts of means.