Signedprinted in black on tan label: COBALT-AMMONIA SULPHATE. / (For Cobalt Plating.) / MADE AND FOR SALE BY / JOSEPH WHALTON / Camden, NJ / P.O. Address, Box 2786 Phila.
Inscribedhand-written in black on tan label: CaSO4, / (NH_4)_2 SO4 / 6H_2O; painted in black on back of bottle: Co12; printed in yellow on black label near base of bottle: 0145
FunctionLabel indicates substance is for cobalt plating.