in sig.b1r obseruati...
http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/1948 <http://www.w3.org/nl/lemon/frac#Attestation>
in sig.b1r obseruati...
in sig.b1r obseruatiuncula: In his signis Circulus ... ubique perfectum gradum designat, Semicirculus imperfectum.