More particularly of the Precious Metals: including the Methods of Assaying them. Illustrated by upwards of 50 Engravings. By George Hogarth Makins, M. R. C. S., F. C. S., one of the Assayers to the Bank of England, Assayer to the Anglo-Mexican Mints, and Lecturer upon Metallurgy at the Dental Hospital, London. In one volume, 12mo., $3.50
MARTIN.—SCREW-CUTTING TABLES, FOR THE USE OF MECHANICAL ENGINEERS:
Showing the Proper Arrangement of Wheels for Cutting the Threads of Screws of any required Pitch; with a Table for Making the Universal Gas-Pipe Thread and Taps. By W. A. Martin, Engineer. 8vo., $.50
MILES.—A PLAIN TREATISE ON HORSE-SHOEING.
With illustrations. By William Miles, author of “The Horse’s Foot,”, $1.00
MOLESWORTH.—POCKET-BOOK OF USEFUL FORMULÆ AND MEMORANDA FOR CIVIL AND MECHANICAL ENGINEERS.
By Guilford L. Molesworth, Member of the Institution of Civil Engineers, Chief Resident Engineer of the Ceylon Railway. Second American, from the Tenth London Edition. In one volume, full bound in pocket-book form, $2.00
MOORE.—THE INVENTOR’S GUIDE:
Patent Office and Patent Laws; or, a Guide to Inventors, and a Book of Reference for Judges, Lawyers, Magistrates, and others. By J. G. Moore. 12mo., cloth, $1.25
MOREAU.—PRACTICAL GUIDE FOR THE JEWELLER,