Observations des phénomènes périodiques
Publisher: Hayez
Published: 1849
Place of publication: Brussels]
Language: fre
Number of pages: 107
Subjects: Cycles; Meteorology; Periodicity; Observations; Temperature; Geomagnetism; Botany; Animals
Notes: At head of title: Académie royale de Bruxelles (Extrait du tome XVII des Mémoires).

Page 24 signed: A. Quetelrt.

Rare Book copy: No. 11 in a vol. of pamphlets with spine title Miscellanea fisica 2.