[same image as the third one in the previous blog quotation]
END QUOTE FROM WELLCOME COLLECTION POST
She’s got the right idea! This early cartoon shows a female swimmer taking full advantage of the ‘privacy’ provided by a bathing machine.
[Added 30 minutes after first posting:
This will sound stranger than fiction, but after I posted the above, and I started to provide the link for this post at Twitter and other online sites, I came across the following: