upennmanuscripts:LJS 97 -Eis ta Harmonika Ptolemaiou hypomnēmaThis manuscript features Porphyry’s c
upennmanuscripts:LJS 97 -Eis ta Harmonika Ptolemaiou hypomnēmaThis manuscript features Porphyry’s commentary on about half of Ptolemy’s treatise Harmonics, focusing (of course) on harmonics and acoustics. It was written inSpain or Italy, between 1560 and 1580 CE, in Greek. Do you want to know more? Click here! Or here for the facsimile, and here for the video orientation. -- source link
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