"SPECIAL ELEMENT; GLASS LINED,PHONELIC TIP SPRING CRES WIRE WOUND FOR A LG OF 1-3/4 IN.; O/A LG OF THE ELEMENT IS 3-5/8 IN.; 0.090 IN. DIA OF ELEMENT W/THE WIRE; THE REMAINING PART OF THE ELEMENT IS 0.165 IN. W BY 0.090 IN. H; BRASS SEAT; WIRE LEAD TYPE W/2 CONNECTIONS; 11.000 IN. WIRE LG 0.270 IN. OD OF WIRE W/OUTER COVERING"