Gnomon (1743) obelisk plus brass line on floor, astronomical instrument to determine equinoxes hence Easter, at St-Sulpice church. Paris, France.

Gnomon (1743) obelisk plus brass line on floor, astronomical instrument to determine equinoxes hence Easter, at St-Sulpice church. Paris, France.
Photo by Jim Steinhart © 2020, all rights reserved. (Ref: FPL1961)

Click an index below to see this photo among related images:

St-Sulpice Church

license home subjects tips