COLLECTOR, SILVER RECOVERY UNIT, ELECTROPLATING. A SILVER COLLECTOR
DESIGNED TO RECOVER FROM PHOTOGRAPHIC FIXING SOLUTIONS BY PASSING AN
ELECTRIC CURRENT BETWEEN A CATHODE (ROTATING STAINLESS STEEL DISCS) AND
AN ANODE (CARBON BARS), THEREBY EXTRACTING SILVER FROM THE SOLUTION,
AND DEPOSITING IT ON THE CATHODE PLATES. MAY ALSO INCLUDE TANK(S).