Technikatörténeti szemle 10. (1978)

A MÉRÉS ÉS A MÉRTÉKEK AZ EMBER MŰVELŐDÉSÉBEN című konferencián Budapesten, 1976. április 27–30-án elhangzott előadások II. - Maula, E.: A szögmérés kezdetei

interdescriplinary approach of Eudoxus, attested also by his inquiries into the interrelation of astronomy and music (Theon Smyrn., p. 61, Hiller). For the arachne, in contradistinction to the ruler and compasses which already had undergone a metamorphosis into idealised symbolic instruments, has preserved the heuristical pregnancy of a mathematical tool invented by a homo ludens. Finally, despite the fact that the arachne is a theoretical reconstruction, we would not be over much surprised even if a concrete remnant of the instrument (perhaps the enoptron, possibly classified as ,,a mirror with astronomical decorations") were rediscovered. Such a finding, indeed, would contribute to our better understanding of the beginnings of the geometry of motion and the geometrical treatment of time. For the arachne is, of course, a plane projection of the pivotal features of the ever rotating spheres. REFERENCES 1. Mattila, J. „Appendix" in (7) 2. Mattila, J. ,,On Some Mathematical Properties in Plato's .Great Harmony' A Study on Harmonious Points and their Applications", in Analysis, Harmony and Synthesis in Ancient Thought, 1977 Acta Univ. Oumensis 3. Maula, E. „Ancient Shadows and Hours", Ann. Univ. Turkuensis, Ser. B, Tom. 126, Turku, Finland, 1973 4. Maula, E. Studies In Eudoxus' Homocentric Spheres, Comm. hum. litt., Vol. 50, Helsinki, Finland, 1974 (Societas Scietiarum Fennica) 5. Maula, E. „The Constants of Nature. A Study in the Early History of Natural Law", Philosophia, Vol. 4, Athens, Greece, 1974 (Academy of Athens) 6. Maula E. „The Elements of Analysis", Proceedings No. 3 of the XIV International Congress of the History of Science in 1974 in Tokyo and Kyoto, Japan (a slightly revised version in Scripta Historica, Vol. 4, Oulu, Finland, 1974) 7. Maula, E. „The Geometrical Spider", in On the Foundations of Physics, Report Series in Theoretical Physics, University of Turku, Turku, Finland, 1975 8. Maula, E. „The First Beats of a Dynamic World-View", mimeographed paper Dept. of History, University, of Oulu, Oulu, Finland, 1975