THE REDUCER'S MANUAL, AND GOLD & SILVER WORKER'S GUIDE, BEING A COMPLETE, PRACTICAL HAND-BOOK ON THE SAVING AND REDUCTION OF EVERY CLASS OF PHOTOGRAPHIC WASTES, AND GOLD AND SILVER RESIDUES.; COMPRISING ALL THE WET AND DRY PROCESSES OF REDUCTION AT PRESENT KNOWN, WITH MANY IMPORTANT ORIGINAL DESIGNS, FORMULAS AND ADDITIONS.
NY: Joseph H. Ladd, Publisher, [1867]. First edition. 8vo., xii, 167 pp., illustrations. Publisher's cloth, titled in gilt on the spine; spine head and tail frayed. Lacking the rear free endpaper, with pencil notes on the pastedowns. Occasional pencil underlining and soiling. A good copy. Roosens and Salu No. 10926. More
