The reducer's manual, and gold and 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 ...

2 p.l., [ix]-xii, [13]-167 p. illus. 19 cm

The reducer's manual, and gold and 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 ...

Mode of access: Internet