Condition Report For Lot# 795 :
this is a copy based on a French style that was popular in the 18th century. The magnifying glass if set properly would concentrate the light to fire the loaded cannon at 12 o'clock. The setting angle of the magnifying glass can be set depending on the season to make it operate. The longitude and latitude are indicated on the marble base plate. Nice example in very clean condition, not tested. Ht 10" at tallest.