Surveying, early 17th century. Artist: Unknown

- Image ID: AJA5GF
Surveying, early 17th century. Artist: Unknown
The Print Collector / Alamy Stock Photo
Image ID: AJA5GF
Surveying, early 17th century. Method of using a quadrant fitted with a plumb line and marked with shadow scales to measure the height of a tower. From Utriusque cosmi... historia by Robert Fludd. (Oppenheim, 1617-1619).