Blaeu inst astr p.15...
http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/31170 <http://www.w3.org/nl/lemon/frac#Attestation>
Blaeu inst astr p.15...
Blaeu inst astr p.151 Curva vero et inflexa itinera sunt, cum omnes alias sequimur loxodromias per quas ab aequatore recedentes ... alterutri Polorum magis magisque appropinquamus.