"AMALGAMATED PLATINUM MERCURY-MERCUROUS CHLORIDE ELEMENT COMPOSITION; 3 IN. O/A LG EXCL LEAD APPROX,7 IN. LG LEAD; TELEPHONE TYPE CONNECTOR; CALOMEL TYPE SLEEVE STYLE,REFILL PORT CLOSED BY DIAPHRAGM STOPPER W/RESERVOIR,SINGLE JUNCTION; BODY UNSHIELDED; SUPPLIED W/INT SALT BRIDGE POTASSIUM CHLORIDE SOLUTION COMPOSITION SATURATED COMPOSITION; W/SIDE ARM STRAIGHT"