P501.35 CROSS WIRES
Description
A circular blacked metal screen 75mm dia, with a 10mm dia, aperture and cross wires of 26s.w.g. mounted on a 6mm brass rod giving a center height of 80mm approx.
A circular blacked metal screen 75mm dia, with a 10mm dia, aperture and cross wires of 26s.w.g. mounted on a 6mm brass rod giving a center height of 80mm approx.
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