|Title||Unpublished diagram, 'Description of a quadrant for measuring horizontal angles by reflection' by W [William] Barnes|
|Description||Diagram showing Barnes' design for a quadrant to be used for measuring horizontal angles.|
Subject: Scientific Instruments
Received by the Royal Society on 7 August 1830.
|Physical description||Watercolour and ink on paper|
|Related records in the catalogue||AP/14/3|
Fellows associated with this archive
|NA1206||Kater; Henry (1777 - 1835)||1777 - 1835|