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