Leibniz ep II-1 91 p...

http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/21441 <http://www.w3.org/nl/lemon/frac#Attestation>

Leibniz ep II-1 91 p... 
Leibniz ep II-1 91 p.299 (1671) si quis dicat, Inconceptibile esse, quomodo corpus tam solidum, atque est chalybs depuratus, ad levem contactum Lapidis Herculei jam hoc, jam altero polo, subito mutet omnem texturam pororum et aliam acquirat. 

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