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Rosenbusch Petrographic Microscope ca. 1878
Safety Lamps Display
Snell Lamp
Snell-Zar-Baldwin Carbide Lamps
Survey Instruments
  Voigt and Hochgesang Petrographic Microscope ca. 1890.JPG  
 
 
 
 
 

Voigt and Hochgesang Petrographic Microscope ca. 1890 Download
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