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20 answers for: An instrument formerly used to make astronomical o...
RANKANSWERCLUE
ASTROLABEAn instrument formerly used to make astronomical observations as an aid to navigation
GALILEOFirst person to use a telescope to make astronomical observations (7)
SIGHTSEEMake interesting observations as visitors (8)
RATTLESChatterers; crackling noises of paper; dice-boxes; maracas, shakers or toys resembling thus; or, watchmens' instruments formerly used to produce whirring sounds (7)
ANECDATAPersonal observation, as opposed to scientific research
BEACONFire on a hill originally to give warning of an approaching enemy; or, an aid to navigation at sea such as a buoy or lighthouse (6)
SEAMARKView money, say, as being an aid to navigation (7)
AUSCULTATETo listen to internal bodily sounds as an aid to medical diagnosis
EARDRUMInstrument getting attention earlier as an aid to hearing (7)
RACONRadar beacon used as aid to navigation (5)
HAZARDDifficult to absorb aid to navigation ___ that's a risk (6)
KOANPuzzling, often paradoxical statement or story, used in Zen Buddhism as an aid to meditation and a m
MANDALAImage used as an aid to meditation
EYELINERRegard a vessel as an aid to beauty (8)
LOGBOOKRegular record published as an aid to mathematicians? (3-4)
CRAMPONAgainst carrying moveable steps as an aid to climbing
MNEMONICWritten message containing note mostly fine as an aid to recall
TAILBOARDIt has its ups and downs as an aid to loading
SPRINGBOARDSeason a piece of sawn timber as an aid to divers
VEINAs an aid to circulation it sounds futile (4)