London Dichroscope Durston Pro 3 Ultrasonic Cleaner

London Dichroscope Durston Pro 3 Ultrasonic CleanerIncorporates two polarizing sheets mounted at right angles to each other allowing the London Dichroscope necessity to sample rays from two different areas of the same stone. Examples are views of a Tourmaline ruby gemstone with a London Dichroscope with a backlight. With the same ray of light entering the gemstone both sides should be the same colour under the filter. Size Length with lense open 85mm and closed 55mm Width 30mm Thickness 12mm The

Collapses to 16

Accuracy: ±2°C / ±4°F

grader and tractor working alignment

50mm: Length 9cm

attachment and gasket

Retains heat

Amazingly you may now use your favorite Apple iOS

8x160mm) with reasonable price

For FDMAFH25 & FDMAFH27

to accurately verify diamonds

high precision and stability

convenient for carry with or hang it up