- Galvanometers, Amperemeters and Voltmeters, 1...
- Tellurium with Lunarium by Jan Felkl, Prague,...
- Nine Electric Measuring Instruments...
- Eight Precision Instruments, c. 1890-1910...
- Collection of Books about Scientific Instrume...
- Tellurium with Lunarium by Svanström & Ryland...
- Large Tangential Galvanometer, c. 1900...
- Two Electrophysical Devices, 1880 onwards...
- English Calibration Balance or Checkweigher, ...
- Nuremberg Gold Balance by Kolb, c. 1780...
- Micro Analysis Scale "F. Sartorius AG, Göppin...