FACTUAL REFERENCE - SOURCE NOTES

Primary/authoritative online references consulted while preparing this archive:

- Gophernicus project, release 3.1.1 README.gophermap and server documentation
- Computer History Museum, Babbage Engine online exhibit
- The Metropolitan Museum of Art, Making Marvels / Art in Motion material on
  clocks and automata

These notes were used to verify gophermap syntax and high-level historical claims
about automata and Babbage's engines.

Archive-writing rule:
No long source passages are reproduced here. Historical descriptions are
paraphrased and kept at a level appropriate for a Gopher reference shelf.