"New General and Mining Telegraph Code"; Moreing and Neal (William Clowes & Sons ~ Limited).
Book measures approximately 8-5/8" x 6" inches with over 600 pages of information and some advertising illustrations of the era; a 1891 revised date is mentioned.
Condition: loose front page, spine splits, stains, yellowing from age, stuck back advertising page. Moreover, moisture damage on back board, this book was well used and stamped "IRMA Gold Mining Co" in various pages with stamped "Dutton & Partridge AGENTS San Francisco"
This is Gold Mining history sold in vintage As Found condition, so please see listing photos.
Note: this book seems complete, but might be missing advertising pages near front?