{
  "name": "Four time-travel devices compared, 1881–1895",
  "desc": "Mitchell's clock (1881), Gaspar's ark (1887), Wells's Chronic Argo (1888) and Wells's machine (1895): whether each was built for time travel, its direction, who starts it, whether the journey is a dream, and a quotation from the public-domain text.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Genre Fiction Lineage",
  "url": "https://genrefictionlineage.com/science-fiction/time-machine/",
  "from": [
    "Public-domain texts of the four stories: Wikisource, Project Gutenberg eBook #62359 and Project Gutenberg Australia (read 2 November 2026)"
  ],
  "how": "Compiled by Genre Fiction Lineage from the data listed",
  "data_by": [
    "Bibliographic facts checked against the public-domain texts and the entries of The Encyclopedia of Science Fiction, eds. John Clute, David Langford and Graham Sleight (sf-encyclopedia.com), listed on the entry page"
  ]
}