✦ LIBER ✦

Preparation and properties of pure iron alloys: III. The effect of manganese on the structure of alloys of the iron-carbon system

✍ Scribed by Henry S. Rawdon; Frederick Sillers Jr.

Publisher: Elsevier Science
Year: 1923
Tongue: English
Weight: 104 KB
Volume: 195
Category: Article
ISSN: 0016-0032
DOI: 10.1016/s0016-0032(23)90241-3

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✦ Synopsis

Feb., I923.] U.S. BUREAU OF STANDARD.q NOTES. ~57 electrical sensitivity in the extreme ultra-violet, but that the reaction gradually decreases with decrease in wave-length.

Several spectral response curves are given of Case's barium and strontium photoelectric cells, which have maxima at o.4z~ and o.39~ respectively. By covering the barium cell with a suitable screen, a spectral response curve is obtained which coincides closely with the visual response of the average eye.

Data are given oi1 the spectrophotoelectrical reaction of cuprous oxide ; also of a lead antimony sulphide Pb a Sb Sa, which shows that the spectrophotoelectrical reaction spectrum of a compound is not the composite of the reactions of the constituents which may be photoelectrically sensitive.

Iodine was found to be photoelectrically sensitive with a maximum in the region of o.53~ to o.55t<

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