Observations météorologiques faites à Springmill [Pennsylvania], 1787-1800


Date: 1787-1800 | Size: 0.25 Linear feet, 14 leaves


One chart is addressed to Benjamin Franklin, "président de l'Etat de Pennsylvanie et président de la société phylosophique...1789." All or most of the material was sent to Thomas Jefferson as president of the United States and of the American Philosophical Society. Contains also an English translation of the above Observations... Contains also copies made by M. Legaux of tables 2-5.

Background note

American Philosophical Society member Peter Legaux was an attorney and farmer.

Digital objects note

This collection contains digital materials that are available in the APS Digital Library. Links to these materials are provided with context in the inventory of this finding aid. A general listing of digital objects may also be found here.

Collection Information

Physical description

14 leaves.


Gift from Peter Legaux and accessioned, 10/--/1913 (50513).

Alternate formats available

This item is also available on microfilm (Film 1467, Reel 3), (Film 54-63 Frame 4). There is also a manuscript translation in English of this item (11 leaves).

Early American History Note

These two volumes contain the meteorological records Peter Legaux kept for fourteen years in Spring Mill, Pennsylvania. One portion contains his correspondence to the American Philosophical Society in which he explains his methods for recording data. The materials dated 1801 were addressed to Thomas Jefferson, then president of the APS. The second part of the collection contains the raw data. Also included in the data collection are records from the 1740s to the 1770s for Philadelphia that are believed to be done by Phineas [possibly Israel] Pemberton.

Indexing Terms


  • Meteorological Data

Geographic Name(s)

  • Pennsylvania -- Climate.


  • Meteorology -- Pennsylvania -- Observations.
  • Science and technology
  • Weather.

Detailed Inventory

 Legaux, Peter, 1748-1827.
Meteorological observations
178938.5 cm x 48 cm

Made at _____ miles from _____ lat. _____ long. _____ from _____ feet above the level of the sea, and at _____ miles distant from it. The first observation made at sun-rise: the second at two hours after mid-day. For the month of _____ 17__. Large meteorological chart which Legaux used to make his twice daily meteorological observations. Includes space for "Remarks on[:] vines and grapes, grain and trees, birds and insects, and births and deaths." Filled in for February 1789.

Other Descriptive Information: Goodman 171

Access digital object:

 Observations meteorologiques faites a Springmill, 1787-1800 ... Part I
 Observations meteorologiques faites a Springmill, 1787-1800 ... Part II