A collection of meteorological tables with other tables useful in practical meteorology

A collection of meteorological tables with other tables useful in practical meteorology

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yX v".^'^'; loo loo !CNJ YOT k'^u /feti^ [ttr^J^^^f to thePresented LIBRARY theof UNIVERSITY OF TORONTO by RoseberiyRobert Digitized Archiveby the Internet in 2008 with funding from IVIicrosoft Corporation http://www.archive.org/details/collectionofmeteOOguyouoft COLLECTION METEOROLOGICAL TABLES, OTHER TABLES USEFUL LN PRACTICAL METEOROLOGY. PREPAKED BY ORDER OF THE SMITHSOOTAN INSTITUTION ARNOLD GUYOT. WASHINGTON: PUBLISHED BY THE SMITHSONIAN INSTITUTION. 1852. CAMBRIDGE: STEREOTYPED BY METCALF AND COMPANY, PRINTERS TO THE UNIVBRSITT. TO PROF. JOSEPH HENRY, Secretary the Smithsonian Institution.of —Sir, In compliance with your instructions, I have prepared the collection of Meteorological Tables contained in the following pages. I have en- deavored to render it to the observers engaged in the sys-useful, not only tem of Meteorological Observations now in operation tinder the direction of the Smithsonian Institution, forwhom it was immediately designed,but also to any Meteorologist who may desire to compare and to work out portions of the vast Observations already ac-amount of Meteorological cumulated in the stores of science. The reduction of the observations and the extensive comparisons, with- out which Meteorology can do but little, require an amount of mechanical labor which renders it impossible for most observers to deduce for them- selves the results of their own observations.

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yX v".^'^';
loo
loo
!CNJ
YOT
k'^u/feti^ [ttr^J^^^f
to thePresented
LIBRARY theof
UNIVERSITY OF TORONTO
by
RoseberiyRobertDigitized Archiveby the Internet
in 2008 with funding from
IVIicrosoft Corporation
http://www.archive.org/details/collectionofmeteOOguyouoftCOLLECTION
METEOROLOGICAL TABLES,
OTHER TABLES USEFUL LN PRACTICAL METEOROLOGY.
PREPAKED BY ORDER OF THE SMITHSOOTAN INSTITUTION
ARNOLD GUYOT.
WASHINGTON:
PUBLISHED BY THE SMITHSONIAN INSTITUTION.
1852.CAMBRIDGE:
STEREOTYPED BY METCALF AND COMPANY,
PRINTERS TO THE UNIVBRSITT.TO PROF. JOSEPH HENRY,
Secretary the Smithsonian Institution.of
—Sir,
In compliance with your instructions, I have prepared the collection of
Meteorological Tables contained in the following pages. I have en-
deavored to render it to the observers engaged in the sys-useful, not only
tem of Meteorological Observations now in operation tinder the direction
of the Smithsonian Institution, forwhom it was immediately designed,but
also to any Meteorologist who may desire to compare and to work out
portions of the vast Observations already ac-amount of Meteorological
cumulated in the stores of science.
The reduction of the observations and the extensive comparisons, with-
out which Meteorology can do but little, require an amount of mechanical
labor which renders it impossible for most observers to deduce for them-
selves the results of their own observations. The difficulty is still further
increased by the diversity of the thermometrical and barometrical scales
which Meteorologists, faithful to old habits rather than to science and to
reason, choose to retain, notwithstanding the additional labor they thus
gratuitously assume to themselves. To relieve the Meteorologist of a
great portion of this labor, by means of tables sufficiently extensive to
render calculations and even interpolations save hisunnecessary, is to
time and his forces in favor of science itself, and thus materially contribute
to its advancement. But most of the tables useful in Meteorology being
scattered through many volumes, which are often not of easy access, this
collection will be, it is hoped, acceptable to the friends of Meteorology,
and will supply a want very much felt in this department of the physicalmatter, I have been guided by the idea that theIn the selection of the
those most likely totables which I sought for my own use might also be
be wanted by others. But I wish the following to be considered as a
only the tables most appropriate to the presentfirst collection, containing
different and independent series,purpose. They are, therefore, arranged in
distinct paging, but constituting together a frame-work into whichwith
inserted when wanted, either to make the collec-any tables may be readily
calculated fromtion more complete, or to present a choice of tables some-
different elements, or adapted to various methods of calculation. ,what
heights by means of the barometer being inti-The measurement of
thought not inappropriate tomately connected with Meteorology, it was
admit into this collection Hypsometrical Tables, destined to render this kind
more easy and more rapid, and thus to increase the taste forof calculations
geography. I have preferred the tables ofa method so useful in physical
Delcros, as uniting in the greatest degree simplicity and accuracy. Those
Bessel, and Baily may be given afterwards.of Gauss,
directions for its use, when necessary ; moreover,Every table contains
indication of the elements used in its calculation, and of the sourcethe
has been taken. When no remark is made as to this lastfrom which it
expressly calculated for this volume in this casepoint, the table has been ;
tablemarked with an asterisk (*) in the general of contents.it is
Very respectfully,
Your obedient servant,
GUYOT.A.
Cambridge, Mass., December 15th, 1851.CONTENTS.
Meteorological Tables is composed of six different series of tables, each seriesThe collection of
paging running through the whole set, and to be found at the bottom of the pages.with a distinct
The figures at the head of the pages indicate the folios of each table for itself. In the following
series refer to the folio at the bottom ofthe page.table of contents, the figures in each
I.
TABLES.THERMOMETRICAL
the Thermometrical Scales.Comparison of
Scale with the Centigrade and Reau-Table I. Comparison of Fahrenheit's
-|-212° —39",mur's, full degrees, from to .... 5
" Centigrade Scale with Reaumur's and Fahren-II. Comparison of the
+100°heit's, full degrees, from to -1-50% ... 7
" Comparison of Reaumur's Scale with Fahrenheit's and the Centi-III.
+80''grade, full degrees, from to +40°, .... 7
" Conversion of Degrees of Fahrenheit into Centigrade Degrees,IV.*
—76°of a degree, from +122° to F., . 8for every tenth
" v.* Conversion of Degrees of Fahrenheit into Degrees of Reaumur,
—38°every tenth of a degree, from +122° to F., . .13for
" Degrees into Degrees of Fahrenheit,VI.* Conversion of Centigrade
—54°,for every tenth of a degree, from +50° to and from
100° +89° C, 17to+
" VII. Conversion of Centigrade Degrees into Degrees of Reaumur, for
—40°tenth of a degree, from +40° to C, . . 20every
" Degrees of Fahrenheit,VIII.* Conversion of Degrees of Reaumur into
—40°for every tenth of a degree, from +40° to R,, . .21VI CONTENTS.<
Tabt.e IX. Conversion of Degrees of Reaumur into Centigrade Degrees, for
40°every tenth of a degree, from -[-40° to— R., . . .23
" X.* Value of any Number of Degrees of Fahrenheit in Centigrade
Degrees, 24
" any Number of Degrees ofXL* Value of Fahrenheit in Degrees of
Reaumur, .......... 24
" Value of any Number of CentigradeXII.* Degrees in Degrees of
Reaumur, 24
" Number of CentigradeXIII.* Value of any Degrees in Degrees of Fah-
renheit, .......... 25
" of Number of Degrees of ReaumurXIV.* Value any in Centigrade
Degrees, 25
" of any Number of Degrees of Reaumur inXV.* Value Degrees of
Fahrenheit, ......... 25
II.
HYGROMETRICAL TABLES.
Forces ofAqueous Vapors, by Regnault,Table [. Elastic ... 6
" Elastic Forces of by August,II. 8
" Psychrometrical Tables for deducing the Force111. ofVapor, and the
Relative Humidity from the Indications of the Psychrometer,
or Wet-Bulb Hygrometer, by T. Haeghens, . . . .13
" For deducing the Relative Humidity expressed in Hundredths,IV.
from the Indications of Dew-Point Instruments, by T. Haeghens, 29
" deducing the Relative Humidity expressedV. For in Hundredths,
Indications of Saussure'sfrom the Hair-Hygrometer, by T.
Haeghens, 35
APPENDIX.
Comparing the Quantities Rain-Water.Tablesfor of
into EnglishConversion of Centimetres Inches, . . . .40Table I.*
" of into Paris or French Inches and Lines, 40II.*
" English Inches into Centimetres,III.* Conversion of . . . 41
" of Inches into Paris or French Inches andIV.*
Lines, 41