Rivista "Fossili e Minerali" n.1-3 del 2021

Didactic stereo microscope for mineralogy, paleontology and malacology ST-36C-6

Binocular observation tube Interpupillary distance 51-79 mm Observation tube tilt 45 ° tilt, 360 ° rotation WF10X / 20mm eyepieces Type of objectives Magnification exchanger 2X-4X objectives Focus system Focus system with tension adjustment LED lighting 3.1V / 60mA External Transformer Power supply Power supply 100-240V or rechargeable batteries...

Gallura - Rocce e minerali. Aspetti geologici, storici, giacimentologici e mineralogici

Die Mineralien Tirols. Band 2. Nordtirol. Vorarlberg und Osttirol

Mineralien Tirols (Die). Band 2. Nordtirol. Vorallberg und osttirol. Rigid cover - January 1, 1982 by Exel Reinhard. (Author) ISBN 10: 3702214526 ISBN 13: 9783702214524 Publishing house: Athesia, 1982 200 color pages Used volume Cover with signs of discoloring due to sunlight For the rest, the volume is kept very well and the interior is as if it were...