457 Iron A
Very pleasantly surprised by the delivery Jelgersma. On a proposal of Abraham, I wrote yesterday Jelgersma and I asked him to give us speech for the Zeitschrift. More, next time.
A. On the back of a business card with the same as above preprint, on 440 Iron. The printed side, in the upper right, with an ink and (perhaps) a different handwriting : 1914. The classification results in this year's content.