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Dimensional instability in gage blocks by Frederick C
Surface characteristics of gage blocks by A G Strang
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AA gage blocks achromatic alined auxiliary plate baseplate beam block gauges Bureau of Standards cadmium cadmium red carbide gage blocks chromium cross hair designed determined deviation difference dimensional double prism edge flatness and parallelism fringe pattern fringes formed gage block surface gauge block gauge interferometer Germany glass Hilger images inch index of refraction indicated inspection instrument interference fringes interference wedge isotopes Kosters krypton laboratories lamps length measurement light waves martensite measurement of gage measuring surfaces ment metal method Metrology microinches microinterferometer micrometer micrometer screw monochromatic monochromatic light National Bureau National Physical Laboratory observational error observed obtained order of interference phase change phase shift piston plane precision quartz reference mirror requirements retained austenite sample scratches shifts at reflection shown in figure slit specification for gage steel gage blocks stress surface finish thermal thickness tion tolerances tungsten carbide wavelengths wedge system Zeiss