Observers using a refracting telescope of long
Observers using a refracting telescope of long focal length mounted on a tripod, and fitted with a simple plumb line and scale for measuring the altitude of the object being observed. Engraving from Oculus artificialis teledioptricus sive Telescopium by Johann Zahn (Nuremberg, 1702)
Picture No
13902064
Media ID
48387105
Size
3160px x 2415px
(1.6MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive
Pick your License
1702 Altitude Artificialis Fitted Focal Measurement Measuring Observed Observers Oculus Plumb Refracting Sive Teledioptricus Telescope Tripod Zahn
Features In These Collections
> Contributors > WHA





























