Older Than deck / Inventions and everyday things
Stethoscope
Sources and checks
Checked 2026-10-21: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source; for dates the quote is the year as printed, read in context.
“1816”Science Museum Group: source, retrieved 2026-10-21; server could not read it (403); not found by Codex
“1816”Store norske leksikon: source, retrieved 2026-10-21; quote re-found by the server check
“1816”Clinical Medicine & Research — Ariel Roguin: source, retrieved 2026-10-21; server read the page (200) and did not find the quote
“1816”Royal College of Physicians Museum: source, retrieved 2026-10-21; quote re-found by the server check
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