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Corinth Notebook Page: NB 238, spread 20 (pp. 30 - 31)
Entry:   Pg. 30, 24/7/1961, NB238 B98, Lot 5012
    Pg. 31, [Plan of poros block with vertical channel], 24/7/1961, Drawing, Plan of poros block with vertical channel
Date:   24/7/1961