Assertion: reflecting telescope's mirror | /r/HasProperty | grey
Facets:
Source sentences:
text: The index with telescope mounted is shown in black, the radius arm with the mirror (grey) attached in blue and the chord in green on white.
text: The index with telescope mounted is shown in black, the radius arm with the mirror (grey) attached in blue and the chord in green on white.
text: The telescope is represented by the blue lines (as if cut open) and the mirrors and lenses are grey.