Meteorological observations and essays / By John Dalton.

  • John Dalton
Date:
1834
Catalogue details

Licence: Public Domain Mark

Credit: Meteorological observations and essays / By John Dalton. Source: Wellcome Collection.

    18/280 (page 12)
    not had a superabundant assistance from books, in providing and digesting the matter contained. in the following pages; by an attentive con- sideration of facts I have drawn conclusions in some instances which had formerly been done, though unknown to me at the time; these, however, are such as would have been inserted had it been otherwise, and therefore the design of the work is not in any manner frustrated by the circumstance.* At the same time I acknowledge, with particular satisfaction, the friendly aid and assistance of one or two in- dividuals, in the article of books ; to one per- son more particularly I am peculiarly indebted, not only in this respect, but in many others ; indeed, if there be any thing new, and of im- portance to science, contained in this work, it is Owing, in great part, to my having had the advantage of his instruction and example in philosophical investigation. * Since writing the above, I have met with an account of Mr. De Luc’s elaborate work on the modifications of the atmosphere, (vid. the Appendixes to the 49th and 50th vols. of the Monthly Review) from which it appears he maintains nearly the same prin- ciples in explaining the variations of the barometer as I have done ; his idea of vapour too seems not unlike mine.—It is a favourable circumstance to any theory, when it is deduced from a consideration of facts by two persons independently of each other.