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the time of the first measurement. For the very fait
cards, K, L, and M the observational errors are relatively
large and only a few measurements were made; these cards
are, therefore, not included in this table.
It will be noticed that A and F, the two cards
subjected to a high humidity, were markedly less bright
on June 24 than on May 3; this is not true of any of the
other gards.
Resp ee tfully,
BUREAU OF STANDARDS.
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"ocrText": "COPY\n*\n2 *\nthe time of the first measurement. For the very fait\ncards, K, L, and M the observational errors are relatively\nlarge and only a few measurements were made; these cards\nare, therefore, not included in this table.\nIt will be noticed that A and F, the two cards\nsubjected to a high humidity, were markedly less bright\non June 24 than on May 3; this is not true of any of the\nother gards.\nResp ee tfully,\nBUREAU OF STANDARDS."
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