Picture of a graduated cylinder and a syringe with a strip of plastic with beads on the edges wrapped around it. Stamped Ipse Fecit Fotomontage. By and for W. J. J. van Rossum.
Picture of a man sitting at a desk, holding a book in his right hand and a quill pen in his left hand. On the desk are instruments for an ear, nose, and throat specialist. By A. E. Allen for Robert Sonnenschein.