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R17 Ronchi Ruling 40 Lines/mm
Pattern R17 Description Ronchi Ruling 40 Lines/mm
Transmission Grating 40 Lines per mm
Glass Type and Thickness
B270 1.5mm thick
Dimensions
50mm x 50mm
Method
Vacuum Deposited Chrome on Glass
Pattern
Ruled over the entire surface
Line Thickness
0.0125mm ± 0.001mm
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Order code
21B01273
21B01273
Price
£210.06
£210.06
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for illustrative purposes only