Shall we try it the right way up. ? :):) not sure why, but pics on ancestry message attachments often seem to have the wrong orientation,...perhaps it's another of ancestry's tech probs.
Anyway, he's definitely Royal Navy...
http://www.rmg.co.uk/explore/sea-and-ships/facts/faqs/custom...The R.N. first introduced a standard uniform for ratings in 1857, so he's wearing an early design of uniform, you can see some pics of the early style of uniform from the 1880's on this link, pretty much the same as what he's wearing.
http://gbstamp.co.uk/article/a-critical-review-of-the-royal-...