Assertion: sextant | /r/HasProperty | manufactured
Facets:
Source sentences:
text: However, sextants with adjustable polarizing filters have also been manufactured, where the degree of darkness is adjusted by twisting the frame of the filter.
text: Sextants with aluminum frames and brass arcs have also been manufactured.
text: Around about 1907, Plath began to advertise a micrometer sextant whose mechanism scarcely changed for the remainder of the time that sextants were manufactured.