Cunningham's Ancient Geography of India c7.33
Cunningham's Ancient Geography of India c7.33
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c7.33
between Shah-Dheri in 72° 53' and Patna in 85° 17' is only 12° 24'. By applying the correction of three-tenths, as proposed by Sir Henry Rawlinson, Ptolemy's 18° will be reduced to 12° 36', which is within 12' of the true difference of longitude.