crtsite.com valid

www.crtsite.com llms.txt

Antique cathode ray tubes and related antique physics instruments like Geissler tubes, Crookes tubes, X-ray tubes. Geissler rotators and Ruhmkorff coils.

For agents: Collection site of antique cathode ray tubes, Geissler and Crookes tubes, early X-ray tubes and Ruhmkorff coils, with history and photos.

cathode-ray-tubescrookes-tubesgeissler-tubesx-ray-tubesantique-physics-instruments

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T11:42:13.540Z. Cached copy · Source on crtsite.com

# www.crtsite.com llms.txt

> Antique cathode ray tubes and related antique physics instruments like Geissler tubes, Crookes tubes, X-ray tubes. Geissler rotators and Ruhmkorff coils.

- [The Cathode Ray Tube site, scientific glassware and history.](https://crtsite.com/): Antique cathode ray tubes and related antique physics instruments like Geissler tubes, Crookes tubes, X-ray tubes. Geissler rotators and Ruhmkorff coils.
- [The Cathode Ray Tube site, Braun tubes - Cathode Ray Tubes.](https://crtsite.com/page3.html): Cathode Ray Tubes collection, more then 150 years of history. Starting with the first Braun tube.
- [The Cathode Ray Tube site,  X-Ray tubes from 1896 -1920](https://crtsite.com/page5.html): X-ray tubes from the beginning with great pictures of real antique tubes.Starting with the oldest tubes from 1896 and related instruments.
- [The Cathode Ray Tube site. Geissler tubes so much models.](https://crtsite.com/page6.html): Geissler tubes, great pictures from working antique tubes.Starting with tubes containing different gasses and uranium glass.
- [The Cathode Ray Tube site, Crookes tubes.](https://crtsite.com/page7.html): Crookes tubes, history and information about these antique didactical scientific glass instruments.So many different types fram as early as 1879
- [The Cathode Ray Tube site, Ruhmkorff coils.](https://crtsite.com/page8.html): Ruhmkorff coils, instruments form the past. These were used in schools and universities but also at home to generate high voltage.
- [sitemap](https://crtsite.com/sitemap.html)
- [The Cathode Ray Tube site, Link page.](https://crtsite.com/page2.html): A lot of interesting links and information about collecting and history of CRT tubes and related physics instruments
- [copyright](https://crtsite.com/copyright.html)
- [The Cathode Ray Tube site, Camera tubes like Iconoscopes](https://crtsite.com/page4.html): Television camera tubes and technology of the early days of television. From the first Iconoscope intil the last Plumbicon tube.
- [The Cathode Ray Tube site. Goldstein tubes](https://crtsite.com/page7-2.html): Crookes and Goldstein tubes. Many rare seen tubes from the early days of scientific research.
- [The Cathode Ray Tube site. Geissler tubes odd types](https://crtsite.com/page6-4.html): Antique Geissler tubes seen working! these are the more rare models from the early 1900's.
- [The Cathode Ray Tube site. Crookes tubes](https://crtsite.com/page7-3.html): Crookes tubes working! These are wonderfull tubes to see, fluorescent items glow bright when activated even after 100 years!
- [The Cathode Ray Tube site. didactic crt's](https://crtsite.com/didactic-crt.html): Look here for rare didactical Cathode Ray Tubes.
- [The Cathode Ray Tube site, Geissler rotators.](https://crtsite.com/page9.html): Geissler tube motors. These old instruments are rare and hard to find from the early 1900's.
- [The Cathode ray Tube site. Television CRT's](https://crtsite.com/tv-crt.html): Collection of early TV
…

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