The cylindrical cap is dimensioned so that {TAIL ~ the size} of the replacement lamp is substantially the same size as {HEAD ~ prior incandescent lamps} of which the invention is designed to replace 
The cylindrical cap is dimensioned so that { TAIL ~ the size } of the replacement lamp is substantially the same size as { HEAD ~ prior incandescent lamps } of which the invention is designed to replace
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH