Winds diagram,artwork published in Specula Physico-Mathematico-Historica (1696),an encyclopedia of science by the German monk and author Johann Zahn (1641-1707). The text is in Latin and French,and the various compass points are marked on the compass rose. The circles give various wind-related information according to the prevailing wind directions,including a circle of named winds (including sirocco,tramontana,levant,ponent,maestro). The outermost circle gives details of the location and effects of the winds. North is at bottom,and West at right |