Shu Khwan - IV,11

Near the end of this book he discusses cross-ratio on this page.
This is some of the ming for the page.
supfundeemchihtungdeempingharnyenaiwaipingsupfunkokhingkaisinkok

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Mark de LA says

Mark de LA says
The page …

earlier page IV,8 the date (a thursday) = March 15, 1951  (67 years & 7 months ago as of this writing)