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pilot is coming
pulling in the net
boatswain Paul Hinsch
portrait of old sailor
W. Büsing launching the bathythermograph, S. Ehrich (middle) watching
Heye Rumohr
neuston sledge
waiting for the neuston sledge; left to right: K. Just, H.O. Boysen, S. Ehrich, NN
the "Standard-Hai"; W. Büsing, H. Rumohr
the "Nackt-Hai"; NN, H. John, NN
portrait of Siegfried Ehrich (on bridge)
H.O. Boysen handling the "Standard-Hai"
Copyright Dr. H. Rumohr