The group showed up in the 1923 best-seller Black Oxen by Gertrude Atherton.
As "Black Oxen" attests, the treatment rapidly reinvented itself as an anti-aging tonic.
The building is part of the King's Head inn which was the home of The Bank of the Black Ox.
Black Oxen (2001)
Cart with Black Ox is an oil painting created in 1884 by Vincent van Gogh.
Black Oxen (1923)
Described as "subtle science fiction", the film takes its title from William Butler Yeats: "The years like great Black Oxen tread the world."
Black Oxen is one of about ten films starring Corinne Griffith, out of 58, that are available for viewing.
Inside Granny Snail there is a biological war between two bacterial kingdoms, the Black Ox and the White Ox.
So the Bank of the Black Ox, for example, had oxen drawn and printed on the front of its notes.