Green’s Dictionary of Slang

moral Cremorne n.

[this otherwise staid exhibition was nonetheless illuminated in the evenings, bringing to mind the original Cremorne, the notably immoral Chelsea ‘pleasure garden’]

(UK society) the Fisheries Exhibition of 1883.

[UK]Referee 3 Nov. in Ware (1909) 177/2: The Fisheries Exhibition is over. The lights of the moral Cremorne are out.