|JOHANN J. ZINK|
Only reference to Joh J Zink is the Patent Tellurium he produced in 1876.
The instrument was produced in 4 different variations and was sold to schools in Austria, Bavaria and Saxony. The instrument was also sold in some other countries, such as Sweden.
The Joh J Zink Patent Tellurium Nr:3
Swedish instructions for the Zink Tellurium Nr:4 1877
Swedish instructions for the Zink Tellurium Nr:3 1882