- Back
-
Title: Portable brass quadrant of 18-inch radius with optical sight [Go to resource]
Description: Portable brass quadrant of 18-inch radius with optical sights on a tripod stand by Dollond, London. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: quadrant - optical Temporal: 1780-1820 Source: Science Museum Creator: Peter & John Dollond Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
[Edit] - Back