victorian plumbing

Hi everyone - sorry if if this post doesn't comply with forum rules, I'm a first-time poster here! I've just moved into a new house which has a Victorian-style bath shower mixer mounted above the bath on the wall. There's a constant, fairly heavy drip coming from the spot, which shifts to...

I just brought the Chatsworth Tao with the three holes - and have found the section under the sink to be really tricky. Why do the pipes / bolts not line up? How do I connect pipes? Is there a special pipe to connect. Can you help.