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. The Bell System technical journal . ■^v. Fig. 2—Partly assembled crystal showing the relation of the slab to the crystal axes. Further study of temperature coefficients showed that the ringsremaining after the small discs had been cut from the larger one,. A, + Ba + A3 +
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1