PUBLISHED BY CROSBY LOCKWOOD & CO. 21 
SCIENCE AND. ART. 
—_+—_—- 
Gold and Gold-Working. 
THE GOLDSMITH’S HANDBOOK: containing full instruc- 
tions for the Alloying and Working of Gold. Including the Art of 
Alloying, Melting, Reducing, Colouring, Collecting and Refining. 
Chemical and Physical Properties of Gold, with a new System of 
Mixing its Alloys; Solders, Enamels, &c. By GEORGE E. GEE. 
Second Edition, enlarged. 12mo, 3s. 6d. cloth. 
** The best work yet printed on its subject for a reasonable price.” —Feweller. 
“Essentially a practical manual, well adapted to the wants of amateurs and 
apprentices, containing trustworthy information that only a practical man can 
supply.” —Luxelish Mechanic. 
Sztlver and Silver Working. 
THE SILVERSMITH’S HANDBOOK, containing full In- 
structions for the Alloying and Working of Silver. Including the 
different Modes of Refining and Melting the Metal, its Solders, the 
Preparation of Imitation Alloys, &c. By G. E. GEE. 12mo, 3s. 6d. 
“The chief merit of the work is its practical character. The workers in the trade 
will speedily discover its merits when they sit down to study it.”—Exglish Mechanic . 
flall-Marking of Jewellery. 
THE HALL-MARKING OF JEWELLERY PRACTICALLY 
CONSIDERED, comprising an account of all the different Assay 
Towns of the United Kingdom; with the Stamps at present 
employed ; also the Laws relating to the Standards and Hall- 
Marks at the various Assay Offices ; and a variety of Practical 
Suggestions concerning the Mixing of Standard Alloys, &c. By 
GEORGE E. GEE. Crown $vo, 5s. cloth. [Fust published. 
Etlectro-Plating, Sc. 
ELECTROPLATING: A Practical Handbook. By J. W. 
Urquuart, C.E. Crown 8vo, 5s. cloth. 
“Any ordinarily intelligent person may become an adept in electro-deposition 
with a very little science indeed, and this is the hook to show the way.” —Buz/der. 
Lletrotyping, ©. 
ELECTROTYPING: A Practical Manual on the Reproduction 
~ and Multiplication of Printing Surfaces and Works of Art by the 
Electro-deposition of Metals. By J. W. URQuHartT, C.E. 
Crown $vo, 5s. cloth. 
‘fA guide to beginners and those who practise the old and imperfect methods.” —J7on, 
Lilectro-Plating. 
ELECTRO-METALLURGY PRACTICALLY TREATED. 
By ALEXANDER WATT, F.R.S.S.A. Including the Electro- 
Deposition of Copper, Silver, Gold, Brass and Bronze, Platinum, 
Lead, Nickel, Tin, Zinc, Alloys of Metals, Practical Notes, &c., 
&ce. Seventh Edition, Revised and Enlarged, including the most 
recent Processes. 12mo, 35.’ 6d. cloth. 
‘From this book both amateur and artisan may learn everything necessary for 
the successful prosecution of electroplating.” —Jvon. 
“A practical treatise for the use of those who desire to work in the art of electro- 
deposition as a business.” —xglish Mechanic. 
