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.
When they were built
39 dated specimens. Click a decade to filter the gallery.
Span 1869 to 1920. The faint bar is the full corpus, the bright fill is the current filtered subset. Eighty five specimens are undated and appear under no decade.