Hello Mavis,
My Father ( Fred Clayton) also played on the water polo team at Hathershaw at the same time as yours, they were also very good friends and I remember going to your house on Third avenue. I did have a copy of that photo but unfortunately I can't find it just yet. I can tell you that Hathershaw Baths no longer exists, it was demolished years ago and plans were put in to build a Mosque on the site.
I still live in Oldham and I will make my way round there to see what has happened to the site.
I get daily e-mails from my cousin who lives in Sydney, she married an ex rugby player out there David Bolton may be you have heard of him.
Good to hear from you, please keep in touch and if you have any other questions regarding Oldham
I will be more than welcome to help you.
Best regards and Happy New Year
Ernie Clayton