Jim has been in touch, circumstances mean he hasn't been in a position to post recently. He says:
The reasons for the posting were (1) the wrist watch (very obvious out of the picture’s setting (2) It seemed to me that the lathe operator had been photoshopped onto a magazine cover very reminding of pre-war Practical Mechanics(3) lack of guarding on the lathe and other H&S topics.It just struck me as interesting.
He also suggests that some posters need to lighten up 