Uniform Regulations for Officers, Petty Officers and Seamen of the Fleet 1879.

This is a Google scan available to read on-line here;
http://archive.org/details/uniformregulati00admigoog
It's about four times the actual size it should be due to multiple page scans, the pages are also shuffled like a deck of cards which makes it a pain to read.
I've taken the pages and placed them into a .pdf file [15MB] which makes it a great deal easier to read.