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On the Photographic Self-registering Mateorological and Magnetical Instruments. Received November 18, 1846, - Read January 21, 1847.
(London, Richard and John E. Taylor, 1847). 4to. No wrappers as extracted from ""Philosophical Transactions"" 1847 - Part I. Pp. 111-117 a. 2 engraved plates. Faint dampstains to upper margins of plates. Clean and fine.
First printing. The self-registering instruments referred to are the barometrograph, thermograph, declination-magnetograph and the electrograph. - The instrumental developments by Ronalds and Brooke establishedthe standard technique employed for magnetic observatory recording for more thana century.He was elected a fellow of the Royal Society in February, 1844 for being the ""Inventor or Improver of several Electrical Meteorological & Mechanical Instruments"" , some of these depicted here. Ronalds was a pioneer and inventor of the elextric telegraph and he worked with meteorological systems. He collected a famous library, now in the Institute of Electrical Engineers: Catalogue of Books and Paers relating to Eæectricity etc..incl. the Ronalds Library. Compiled by Francis Ronalds. 1880.Wheeler Gift No 2873. - Ronald Library, p.438.
Descriptions de de quelques instruments météorologiques
Paris Imprimerie française et anglaise de E. Brière 1855 in-8 broché sous couverture muette de papier bleu
2 ff.n.ch., 3 pp., 2 pp., 7 pp., 3 pp., 6 pp., 10 pp., 6 pp., 4 pp., 7 planches dépliantes hors texte chiffrées I-III, puis XI-XIV.Unique édition. Il s'agit d'un recueil de 8 petits mémoires parus précédemment dans les rapports annuels sur l'Observatoire de Kew. Francis Ronalds (1788-1873), ingénieur plus ou moins autodidacte, devint en 1843 directeur et surintendant de l'Observatoire météorologique de Kew. Son travail consistait entre autres à mettre sur pied un système d'enregistrement des données météorologiques.Envoi autographe à un Becquerel, qui doit être Antoine-César (1788-1878), plutôt que son fils
