Assertion: box sextant | /r/HasAspect | sliding brass sleeve
Facets:
Source sentences:
text: If wanted the box sextant has a sliding brass sleeve with a pinhole in the sighting hole, which can be used instead of the telescope for direct viewing, which makes finding an unknown object easier than the telescope with its narrow field of view.
text: If wanted the box sextant has a sliding brass sleeve with a pinhole in the sighting hole, which can be used instead of the telescope for direct viewing, which makes finding an unknown object easier than the telescope with its narrow field of view.