Introductorium in astronomiam Albumasaris Abalachi octo continens libros partiales. Augsburg: Erhard Ratdolt, 1488.Ībo Mashar. New York: Columbia University Press, 1970. “Das Buch der Seltenheiten der Rechenkunst von Abe Kamil el-Misri”. “Die Abhandlung des Abe Kamil über das Fünfeck und Zehneck”. “Les Méthodes d’analyse indéterminée chez Abe Kamil”. In Vestigia mathematica: Studies in Medieval and Early Modern Mathematics in Honor of H.L.L. Frankfurt: Institut für Geschichte der arabisch-islamischen Wissenschaften, 1986. “A Homocentric Solar Model by Abu Ja’far al-Khâzin.” Journal for History of Arabic Science 1: 268–275, 1977.Ībü Kamil. “Abu Ja’far al-Khâzin on Isoperimetry and the Archimedean Tradition.” Zeitschrift fur Geschichte der arabisch-islamischen Wissenschaften 3: 150–229, 1986. “L’Algèbre arabe, note annexe: identité cl` Abu Ja’far al-Khâzin.” Journal for History of Arabic Science 2: 98–100, 1978. “Suction Curettage for Artificial Abortion: Preliminary Report of 300 Cases.” Chinese Journal ofObstetrics 6: 26, 1958.Īnbouba, A. “Abortion in Rural Thailand: A Survey of Practitioners.” Studies in Family Planning 10: 223 229, 1979. “Abortion in the Philippines: a Study of Clients and Prac’titioners.” Studies in Family Planning 13: 35–44, 1982. “Cytotec in Brazil: `At Least It Doesn’t Kill’.” Reproductive Health Matters 2: 4152, 1993.ĭevereux, George. Boston: Ginn, 1925.Īrilha, Margaret and Barbosa, Regina Maria. “The Abacus in its Historic and Scientific Aspects.” Transactions of the Asiatic Society of Japan xiv: 18, 1886. “Schools and Scholars: the Study of the Abacus in English Schools, c. “From Abacus to Algorism: Theory and Practice in Mediaeval Arithmetic.” The British Journal for the History of Science 10 (35): 114–31, 1977.Įvans, G.R. Aids to Understanding in Some Medi- aeval Treatises on the Abacus.“ Centaurus 19: 252–63, 1976.Įvans, G.R. Difficillima et Ardua: Theory and Practice in Treatises on the Abacus, 950–1150.“ Journal of Mediaeval History 3: 2138, 1977.Įvans, G.R.

The Casting-Counter and the Counting-Board. You can store manny kind of items on this box and you can put it in every room of the house.Barnard, F.P.

This box is made of wood and leather, the wood is covered with leather. This Chinese box is nicely decorated with chinese drawings (Old chinese characters, ideoframs, dragon and phoenix.). There is a gold locker on the front of this chinese box that gives an old style. You will find here a magnificent Chinese wooden box which is nice reproduction items, this box is made in the chinese old wooden boxes style. The user of an abacus is called an abacist. Today, abaci are often constructed as a bamboo frame with beads sliding on wires, but originally they were beans or stones moved in grooves in sand or on tablets of wood, stone, or metal. The abacus, also called a counting frame, is a calculating tool that was in use centuries before the adoption of the written modern numeral system and is still widely used by merchants, traders and clerks in Asia( China)

Chinese abacus in cloth box