op I 2 p.297 Hoc mod...

http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/31050 <http://www.w3.org/nl/lemon/frac#Attestation>

op I 2 p.297 Hoc mod... 
op I 2 p.297 Hoc modo ostendetur cylindrus ad solidum trilinei primae parabolae triplus; secundae vero parabolae quintuplus; tertiae parabolae sestuplus, quartae vero nonuplus. 

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