Plan - Section of Levels S.B.G.M.Co

Physical description

A t draftsman's drawing. Written at the top -
SECTION of LEVELS S.B.G.M. Co
From X cut 5 level Main Shaft to cut leading back to Old Shaft
Scales Horizontal 1"=20ft
Vertical 1'=10ft Date 6th July 1935 J.B.
Underneath there is a data chart with 29 columns with horizontal lines labeled- Datum Line, Total Distances in ft, Levels Reduced, Height above+ below Datum, Filling ft, Cutting ft
Forms part of the Margaret Roberts Collection.

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