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. 1919 May;5(5):173–179. doi: 10.1073/pnas.5.5.173

A Complete Apparatus for Absolute Acoustical Measurements

Arthur Gordon Webster ¹

PMCID: PMC1091563 PMID: 16576370

173

Images in this article

FIG. 1A
on p.175

FIG.2A
on p.177

FIG. 2B
on p.178

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