Spectrophotometry (200 to 1,000 millimicrons)
from $13.99
Circular of the Bureau of Standards No. 484: Spectrophotometry (200 to 1,000 Millimicrons); NBS Circular 484
from $15.95
Millimicron Bomb
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Millimicron
from $1.29
Above seven millimicrons the color was absent
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