It turns out that dog grooming has been associated with the Beddoes name for a long time.
These pictures are of a magazine article written in Picture Post 23 March 1940. It's a review of a dog grooming business in London called the Dog's Bath Club.
This was started by Major Beddoes.
"Following his military career, he found himself at a disadvantage in civil life. He therfore decided to resume his interest in dogs and start a business of bathing them - the first in this country." Taken from the blurb His Excellency the Dog Written by C. E. W. Beddoes