ten o'clock
By this time it had become dark , and the spy 's passion for underground travel had spent itself . He crossed the street , descended to the grand station of the Eastern Railway , and took a ticket for Burnham-on-Crouch . Exhausted , but ever vigilant , Froissart and his faithful men took also tickets for Burnham-on-Crouch . `` I will not weary you more with our wanderings , but after many hours , at ten o'clock , we at last arrived at this place . The spy was met upon the _ quai _ by another villain , with whom he held converse , and the pair of them , ignorant that the vengeance of Froissart overshadowed them , marched heedlessly , openly , to the river side and entered a large house of which the gardens ran down to the water . I left there my two faithful but weary ones on watch , and hastened to the _ salle de police _ . There an Inspector and a young _ officier anglais _ -- a sub-lieutenant of the Royal Naval Volunteer Reserve -- were awaiting my arrival with impatience .