Assertion: beam's size | /r/HasProperty | a system of two 200
Facets:
Source sentences:
text: As previously with round lamps, the US permitted only two standardized sizes of rectangular sealed-beam lamp: A system of two 200 by 142 mm (7.9 by 5.6 in) high/low beam units corresponding to the existing 7-inch round format, or a system of four 165 by 100 mm (6.5 by 3.9 in) units, two high/low and two high-beam. corresponding to the existing 5 3⁄ 4 in (146 mm) round format.