English Translation

Lichttechnisches Fnstitut der Badischen Technischen Thochschule Fernfprecher des Instituto Nr. 4097 Director: Profesfor Dr. I. Teichmüller Apartment of the Director of the Institute: Bank account: Badikhe Bank Rarlsruhe Karlorhe-Rüppur, Gohrenpfünf 17 Postfhedkonte: Rarloruhe Ne. 6596 Fernsprecer Nr. 4346 Karlsruhe i.Baden, 4 March 1927 Ze u g n i s. 1E3133333E3 _-_ Mr. Dipl.-Ing. W. O t t has studied electrical engineering from the Christmas holidays of l925/26 at the Technical University of Lichttechnik. He stressed the importance of teaching his knowledge in this field by means of an examination. He has studied light technology, lighting technology, technology, photometry and physiology, including color theory, in the period from 17 to 22 December 1926. In the first three subjects he has shown very good to excellent knowledge,in the last good. An official certificate of these tests cannot be issued according to the existing regulations. However, I gladly certify to Mr. Dipl.-Ing. O t t that he has passed these tests. Wuiffue