This library is built in the open.
If you spot an error, have a suggestion, or just want to say hello — we’d love to hear from you.

The Internet Archive is a digital library providing free access to millions of books and documents. The University of Ottawa, a research university in Canada, provided the financial support to scan this particular edition for public use.
This link leads to the digital version of Charles Ravaisson-Mollien's 1889 transcription and facsimile of Leonardo’s Manuscripts H, I, and K.
A faint digital watermark is visible on this page, representing a stylized neoclassical library or temple with four columns and a triangular pediment. This is the official logo of the Internet Archive, symbolizing the "building" of a universal library of human knowledge.