H. B. Marriott Watson,
The Castle by the Sea — Chapter 3
(1909)
“ Is there a clock up-stairs?" "In the gallery, sir asked Jackman, and added his answer, "Yes, sir, I wind it up every week." "Eureka!" I cried triumphantly. "Jackman, we've hit it. The sound comes down some sensitive passage-way in the old wall. That's it." Jackman did not look convinced; I could see he had fastened his fancy on the death-tick. I dismissed him and went to bed. I was nearly asleep when I suddenly sat up with a thought. Why should the clock up-stairs beat intermittently? Why should it vary its time? ”
