2026-10-06 Google web search (Chrome), Parallax

Investigator run 1 (STEP I). Browsing started at Unix time 1791323581 and stopped at about 505 s (8 min 25 s), inside the 10-minute cap. No deep dive.

Google was the entry point for most sites below. Every query used:

# Query What it led to
1 "Rowbotham" "Zetetic Astronomy" 1849 OR 1873 OR 1881 edition archive.org Project Gutenberg, Open Library, sacred-texts (1881 ed.), archive.org (Earth Not a Globe Review 1893-97), Wikipedia
2 "Alexander Gleason" map patent 1892 OR 1893 "new standard map" Boston Public Library and DPLA catalogue records, Leventhal Map Center exhibit, Reuters fact check (2022)
3 Gleason map "patent" 1893 "US497917" OR "497,917" OR "time calculator" site:patents.google.com Google Patents US 497,917 A (see 2026-10-06-google-patents.md)
4 "Gleason" "Is the Bible from Heaven? Is the Earth a Globe?" 1890 LoC research guide (see loc-guides), Reuters, Leventhal
5 "Royal Astronomical Society" "December 8, 1848" OR "Dec. 8, 1848" Parallax Rowbotham paper Schadewald, The Plane Truth (cantab.net), ADS MNRAS vol. 8 (1848) PDF
6 site:cantab.net PlaneTruth Rowbotham Chapter list of Schadewald's book (Ch.1 to 9, Appendix B, Notes)
7 Blount 1904 "Bedford Level" Clifton Dallmeyer photograph "The Earth" pdf library.tfes.org PDF "Collapse of the Globular Theory" (blocked, see library-tfes), Scribd copy of Blount 1904
8 site:wallace-online.org Hampden "Bedford" canal 1870 Wallace Online S179aa (Hampden 1870 pamphlet) and S202
9 "Jones" pendulum "Manchester" Athenaeum 1851 Foucault experiment Negative: nothing on the Rev. H. H. Jones Manchester pendulum
10 "Yule Oldham" 1901 "curvature" Bedford "British Association" Wikipedia (Henry Yule Oldham), Charles Fort New Lands ch.6 (Wikisource, Gutenberg), ousewashes.info

Leads found only as search-result snippets (not opened, so treat as pointers only): - Reuters fact check, 27 Oct 2022: says Gleason argued for a flat Earth in his 1890 book, citing its p.350 [web: https://www.reuters.com/article/fact-check/alexander-gleason... (snippet only)]. - ADS scan of Monthly Notices RAS vol. 8 (1848) [web: https://adsabs.harvard.edu/pdf/1848MNRAS...8..14C (snippet)]. The question is whether any notice of a Dec. 8, 1848 paper appears in MNRAS vol. 9. Not reached. - Charles Fort, New Lands (1923) Part 1 ch.6, which discusses Oldham's 1901 paper [web: https://en.wikisource.org/wiki/New_Lands/Part_1/Chapter_6 (snippet)]. This is Fortean commentary on the test (priority 3, related work). - ousewashes.info "Bedford Level Flat Earth Experiments" page [web: http://www.ousewashes.info/experiments/flat-earth (snippet)]. It is a local-history site that may hold place-level detail (Welney, Welche's Dam).