With the Night Mail

At nine o'clock of a gusty winter night I stood on the lower stages of one of the G. P. O. outward mail towers. My purpose was a run to Quebec in "Postal Packet 162 or such other as may be appointed"; and the Postmaster-General himself countersigned the order. This talisman opened all doors, even those in the despatching-caisson at the foot of the tower, where they were delivering the sorted Conti...