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