Page image — the source of record
Machine transcription
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auricle the dark blood
passes into the right
ventricle and from the
latter it runs to the lungs
through the pulmonary
artery. During its passage
through the lungs it gets
purified by oxygen as I
have stated already and
then it returns as pure
arterial blood by means
Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting. How this was measured.