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[Corinth Notebook Page] NB 197, spread 47 (pp. 84 - 85)

84 85 Pg. 85, Manhole, Drawing, section of drain

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[Corinth Notebook Page] NB 197, spread 49 (pp. 88 - 89)

88 89 Pg. 89, 5-6 Built drain; manhole 6, Drawing, 5-6 Built drain

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[Corinth Notebook Page] NB 197, spread 50 (pp. 90 - 91)

90 91 Pg. 91, 5-7 Built drain, Drawing, Section

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[Corinth Notebook Page] NB 197, spread 51 (pp. 92 - 93)

92 93 Pg. 93, depth of manhole, Drawing, Construction of 9-11