Menu
446 of 520
Previousnext
FirstLast
Sorted by:
Instrument type
Maker
Place
Date
Overview
Details
 Catalogue


Quadrant
Attributed to Christoph Schissler
Later 16th century; German
Gilt brass; 120 mm in radius

These are two similar quadrants engraved in the same way.

The instruments consist of an actual quadrant with an extended arm on one of the edges. The limb is engraved with an equal scale divided to 1/2, 1/4 and 1/8 from [0] to 12, numbered from 1 to 12 by 1. On the short edge is a scale, divided to 1/2 and numbered from the apex from 1 to 7, with dots each unit. The extended edge is engraved with the same scale but numbered from to 8 up to the limb and then again from 1 to 8 on the extension, with dots each half unit. The end of the arm has a decorated profile. The surface of the quadrant is engraved with a sinecal quadrant, with dots each unit.

The other side of the quadrant is engraved in the same way, and has a radial rule fixed to the apex. The rule is engraved with a similar scale, divided to 1/2 and to 1/4, numbered from 1 to 10 starting from the apex.

Ilaria Meliconi

Istituto e Museo di Storia della Scienza, Firenze
Inventory nos 2529 and 2637

© Istituto e Museo di Storia della Scienza, Firenze. 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: http://www.mhs.ox.ac.uk/epact/catalogue.php?ENumber=96841

|| Introduction || Essay || Museums || Bibliography || Conventions || Credits || Privacy || Help ||
|Catalogue entries |Handlist || Makers || Places || Articles || Glossary || Search || Home ||