One of two volumes that contains 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. 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.; Includes an English translation of the above Observations and copies made by M. Legaux of tables 2-5.
One of two volumes that contains 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. 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.; Includes an English translation of the above Observations and copies made by M. Legaux of tables 2-5.