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Index:Letter Circular 454; hues of the spectrum colors (IA lettercircular45454nati).djvu

Title Letter Circular 454: Hues of the Spectrum Colors, NBSLCIRC 454
Author National Bureau of Standards
Year 1935
Publisher National Bureau of Standards
Source djvu
Progress Proofread—All pages of the work proper are proofread, but not all are validated
Transclusion Index not transcluded or unreviewed
Pages (key to Page Status)
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