PRINTED BY J. AND J. HADDOCK, WARRINGTON.
Transcriber’s Notes
New original cover art included with this eBook is granted to the public domain.
Spelling, punctuation, accents, and grammar have been preserved as printed in the original publication except as follows:
1. Page number for Chapter II in the Contents changed from 28 to 30.
2. Page number for Chapter V in the Contents, 117, added.
3. Contents page: Changed “Proofs of spectral inpressions” to “Proofs of spectral impressions”
4. Page 13: Changed “begin this discussion, by admiting” to “begin this discussion, by admitting”