A quadrant for use by astronomers, seafarers and meteorologists. In: Beschreibung der meteorolgischen Instrumente.... by Augustin Stark, published 1815. Copied from NOAA Photo Library.
A quadrant for use by astronomers and meteorolgists. In: Beschreibung der meteorolgischen Instrumente.... by Augustin Stark, published 1815. Copied from [http://www.photolib.noaa.gov/ NOAA Photo Library]. {{PD}}