Sentence:  "...Meanwhile, lest anything should really be amiss, or any malefactor seek to escape by the back, you and the boy must go round the corner with a pair of good sticks and take your post at the laboratory door. We give you ten minutes, to get to your <WSD>stations</WSD>." 
Meaning of the word marked with <WSD> tags:  A place where one stands or stays or is assigned to stand or stay.