NG2 Original Porton Globes and Circles Pattern images provided for illustrative purposes only
Pattern

NG5

Description

Fairs

Key features

Eyepiece Reticle designed to extend the sizing range of the Globes/Circles reticles

Options
Order code

NG5

Price

£108.78 - £127.60

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Quantity
1
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Designed to extend the sizing range of globe and circle reticles. Example: Used in conjunction with NG2 the overall size range = 128:1. The circles increase by root 2. Note that both reticles would have to be used with the same microscope, eyepiece and objective. Reference: G.L Fairs Chem Ind. 1943 Vol. 62. Pp 374-378. “The Use Of The Microscope In Particle Size Analysis.”

 

Glass Type and Thickness

Soda Lime 1.5mm thick

Diameter Tolerance

+0/-0.1mm

Orientation

Correct reading through glass