Gunther, Erna2018-02-072018-02-071949-12-13REI-007-14-013http://hdl.handle.net/20.500.11867/54213 sheets 9 x 11.5 inch letterhead. Typed. Inscribed. 2 sheets 6 x 9 inch letterhead. Typed. Inscribed."Your clipping is most interesting and I am very happy to hear that you are concerned about such matters. If you could prepare a collection of such technological descriptions with some good pictures of the processes I would be glad to see what could be done about publishing them in a more lasting way than the paper."No Known Copyright The organization that has made the Item available reasonably believes that the Item is not restricted by copyright or related rights, but a conclusive determination could not be made. Please refer to the organization that has made the Item available for more information. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use.