Abstract
A parallax corrected grating system, consisting of two coarse plane gratings close together, enables relative displacements of 0·0005 in to be observed visually by use of the moiré effect, in ambient light conditions.
NOTES
Anti-parallax device for observation of moiré fringes
A Luxmoore1
Published under licence by IOP Publishing Ltd
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Citation A Luxmoore 1968 J. Phys. E: Sci. Instrum. 1 674
DOI 10.1088/0022-3735/1/6/431
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