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26a
It would be clearly
waste labour might thus be saved.
useless, for instance, to make a new drawing for a 2" map
of the area covered by the War Office 24", for the drawings for this map could equally well be reproduced on the 2"
scale. Similarly, it would be useless for the War Office
to ask the authorities at Hong Kong to correct the 24", if the corrections have already been made to the 2".