# An essay towards a theory of apparitions

Author: Ferriar, John, 1761-1815

Genre: Category: Psychiatry/Psychology

Language: English

License: Public domain

Source: https://www.gutenberg.org/ebooks/73761

Amazon editions: https://www.amazon.com/s?k=An+essay+towards+a+theory+of+apparitions+Ferriar&tag=cyberlibrar00-20

## Summary

When a late ingenious Physician discovered the elastic fluid, which he termed his ‘Gas of Paradise,’ and which he hoped to render a cheap substitute for inebriating liquors, he claimed the honors due to the inventor of a new pleasure.

## Chapters

- [CHAPTER I.](https://www.cyberlibrary.org/en/books/an-essay-towards-a-theory-of-apparitions-73761/chapters/5/index.md)
- [CHAPTER V. _Accessory causes of delusion, regarding](https://www.cyberlibrary.org/en/books/an-essay-towards-a-theory-of-apparitions-73761/chapters/4/index.md)
- [CHAPTER IV. _Medical distinctions of spectral](https://www.cyberlibrary.org/en/books/an-essay-towards-a-theory-of-apparitions-73761/chapters/3/index.md)
- [CHAPTER I. _Reality of spectral impressions--General](https://www.cyberlibrary.org/en/books/an-essay-towards-a-theory-of-apparitions-73761/chapters/1/index.md)
- [CHAPTER II. _A lawyer’s argument for the existence](https://www.cyberlibrary.org/en/books/an-essay-towards-a-theory-of-apparitions-73761/chapters/2/index.md)