[9] See ›Vierteljahrschrift der Astronomischen Gesellschaft›, Part 14, 1879, quoted from A. H. Stroh: Op. cit. p. 8.
[10] See S. Arrhenius’ introduction to the edition of Swedenborg’s Scientific Works of the R. Acad. of Sciences, Vol. II., 1908.
[11] See Gustaf Retzius: Preface to ›E. Swedenborg’s Scientific Works›, edit. by the R. Acad. of Sciences, Vol. I., 1907, p. V. et seqq.
[12] Emanuel Swedenborg was born at Stockholm, January 29th, 1688; matriculated at the University of Uppsala and ›Västmanlands-Dala-nation›, 1699; Diss. cum consensu Fac. Philos. publico examini submissa, Upsaliæ, 1. Junii, 1709; appointed assessor extraordinary in the Royal College of Mines, 1716; ordinary assessor in the same College, 1724; retired from the assessorship, 1747; died in London, March 29th, 1772. His name was Swedberg until the year 1719, when he was ennobled and his name changed to Swedenborg.
[13] Epistola Eman: Swedbergii ad Ericum Benzelium, Londini, Oct., 1710. See Emanuel Swedenborg: Opera quædam aut inedita aut obsoleta de rebus naturalibus, nunc edita sub auspiciis Regiæ Academiæ Scientiarum Suecicæ, I. Geologica et Epistolæ, Edit. Alfred H. Stroh, Holmiæ, 1907, p. 206 et seqq.
[14] Epist. Em. Sw. ad E. Benz., London, April, 1711, see Op. cit. p. 208 et seqq.
[15] Epist. Em. Sw. ad E. Benz., London, Augusti, 1712, see Op. cit. p. 218 et seqq.
[16] Epist. Em. Sw. ad E. Benz., Paris, Augusti, 1713, see Op. cit. p. 222 et seqq.
[17] Epist. Em. Sw. ad E. Benz., Rostock, September, 1714, see. Op. cit. p. 224 et seqq.
[18] Suggestions for a Flying Machine by Emanuel Swedenborg, translated from the original Swedish by Hugo Lj. Odhner and Carl Th. Odhner, published by the Swedenborg Scientific Association, Philadelphia, Pa., 1910.