Answer: sextants

AnswerCrossword Clue
SEXTANTS

Navigating tools

SEXTANTS

Navigational tools that measure the positions of celestial bodies

SEXTANTS

Navigators' instruments.

SEXTANTS
Quadrant's relatives
SEXTANTS
Navigation aids
SEXTANTSAstronomical instruments
SEXTANTSShips' instruments
SEXTANTSAstronomers' instruments
SEXTANTSNavigation tools