Signal Circuit of Halleston was a Wire Fox Terrier and winner of the 1926 Westminster Kennel Club Dog Show.
[1] Signal Circuit was one of 200 Fox Terriers present at the show.
[1] He was handled by Percy Roberts, who had imported the dog from England[1] and had "just stepped off the boat before the show".
[2] The show was judged by Wintrhop Rutherford, the owner of Conejo Wycollar Boy, a Fox Terrier that took best in show from 1907 to 1909.
[1] Signal Circuit was described as having "phenomenal length of head and sound movement".