DE: Patentschrift: Dr. Rudolf Steinheil, Objektiv für photographische Zwecke, 30.09.1896, Patent Nr. 13233 (S. 2)
EN: Patent specification: Dr. Rudolf Steinheil, Lens for photographic purposes, Sept. 30, 1896, Patent No. 13233 (p. 2).

The image presented on this page is part of E-Pics, a service provided by the ETH-Bibliothek of ETH Zurich. This medium resolution copy is published under the license indicated above.

Please respect terms of the respective license ( CC BY-SA or Public Domain Mark , indicated above under License) when using this image.
  • A higher resolution of the image is available at http://doi.org/10.3932/ethz-a-001041146 .
  • The ETH image Archive can be accessed at https://ba.e-pics.ethz.ch
  • More information about E-Pics is available at https://www.e-pics.ethz.ch