Tag: Sevim-tekeli

Sevim Tekeli

by Sevim Tekeli Published on: 3rd December 2019

banner

The Instruments of Istanbul Observatory

by Sevim Tekeli Published on: 8th June 2008

In this article, Professor Sevim Tekeli, an outstanding scholar in the history of Ottoman science, describes the instruments built by Taqî al-Dîn Ibn Ma'ruf and his team at the Istanbul observatory (was in activity between…

banner

Taqi al Din Ibn Ma’ruf ‘s Work on Extracting the Cord 2o and Sin 1o

by Sevim Tekeli Published on: 30th May 2008

This article by Professor Sevim Tekeli, a leading historian of science in the Ottoman period, deals with an aspect of the work of Taqi al-Din Ibn Ma'ruf in trigonometry, a mathematical discipline which studies the…

banner

Al-Urdi’s Article on ‘The Quality of Observation’

by Sevim Tekeli Published on: 31st January 2007

Astronomy has for a long time been of keen interest of Muslims throughout centuries. This article by Professor Sevim Tekeli highlights the quality and precision of observations made by al-Urdi.

Banner

The Oldest Map of Japan Drawn by Mahmud of Kashgar

by Sevim Tekeli Published on: 3rd January 2007

Although the Japanese map was included for the first time in a world atlas in the 15th century, the very first map of Japan was drawn by Mahmud of Kashgar in early 11th century.

banner

Professor Sevim Tekeli – a short autobiography

by Sevim Tekeli Published on: 24th August 2005

Sevim Tekeli is Emeritus Professor, History of Science Department at Ankara University, a student of Professor Aydin Sayili. This article is based on her answers in a brief interview conducted recently by Dr Salim Ayduz.

banner

Earliest maps of America

by Sevim Tekeli Published on: 4th January 2005

The earliest maps made of America by Columbus have all since been lost. However, a number of very early and accurate maps exist which were made by Piri Reis based on material including the maps…