# What does Chapter XIII (1919) say about interiors versus exteriors, studio light and weather that a scenario writer can treat as controllable, and what is only the authors' assertion?

- id: art_01M5MX2H51FBZM4TDYD1XAQ993
- type: article · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T01, T02, T04 · tags: none
- updated: 2026-10-23T17:31:24.698Z
- url: https://veyrul.com/articles/art_01M5MX2H51FBZM4TDYD1XAQ993

The authors report that most studios lit interiors artificially, some used glass-roofed daylight studios, and that more and more interior scenes were made on outdoor stages where screens control sunlight. They give storm-with-rain (hose, screens) and lightning (scratched negative) as methods, say night exteriors and fire, moon and candle effects are common, and tell the writer not to hesitate to call for a lightning storm. Statements that outdoor stages are as satisfactory as artificial light and much cheaper are the authors' assertions; no measurement or source for them appears in the chapter. Weather other than storm, lightning, sun and night is not discussed in the chapter. (1919 US practice as the authors report it.)

The authors report that most studios lit interiors artificially, some used glass-roofed daylight studios, and that more and more interior scenes were made on outdoor stages where screens control sunlight. They give storm-with-rain (hose, screens) and lightning (scratched negative) as methods, say night exteriors and fire, moon and candle effects are common, and tell the writer not to hesitate to call for a lightning storm. Statements that outdoor stages are as satisfactory as artificial light and much cheaper are the authors' assertions; no measurement or source for them appears in the chapter. Weather other than storm, lightning, sun and night is not discussed in the chapter. (1919 US practice as the authors report it.)

Curator qualifications: Interiors, light and weather statements; cost claims are the authors' assertions.

Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.

```json
{
  "citations": [
    {
      "url": "https://www.gutenberg.org/ebooks/17903",
      "note": "candidate evidence excerpts"
    }
  ]
}
```

Evidence claims:
- [sourced_fact] The authors report that most studios lit interiors artificially, some used glass-roofed daylight studios, and that more and more interior scenes were made on outdoor stages where screens control sunlight. They give storm-with-rain (hose, screens) and lightning (scratched negative) as methods, say night exteriors and fire, moon and candle effects are common, and tell the writer not to hesitate to call for a lightning storm. Statements that outdoor stages are as satisfactory as artificial light and much cheaper are the authors' assertions; no measurement or source for them appears in the chapter. Weather other than storm, lightning, sun and night is not discussed in the chapter. (1919 US practice as the authors report it.) · locator: candidate evidence excerpts · source: https://www.gutenberg.org/ebooks/17903

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- documentation: license=unknown hosting=permitted redistribution=permitted modification=unknown training=unknown · Applies to this original summary only, not to the cited sources.

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