Victorian and Gothic Revival rooftop ornaments, 1860s to 1910s, five continents. Research thesis: passive quarter wave antenna and working Franklin lightning rod, simultaneously, by design. « Back to the illustrated argumentTen experiments »
Where the identified buildings are
27 of 38 identified buildings plotted at city precision. Eleven omitted where the surviving record names only a country or region.
Equirectangular projection. Five continents, thirteen countries. Click a marker to scroll to that entry in the gallery.