Philosophical Magazine

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The grounds on which Dr. Chladni founds the above the ory, refpeéting the origin of the before-mentioned mafs of iron, and its fimilarity to the produ€tions of fire-balls, are farther explained by the author in the ...