The story
From photo- + heliography.
Etymology from Wiktionary, CC BY-SA 4.0.
photoheliography
Today it means: Heliography (photography of the sun), especially as undertaken using a photoheliograph. Full definition →
Today it means: Heliography (photography of the sun), especially as undertaken using a photoheliograph. Full definition →
From photo- + heliography.
Etymology from Wiktionary, CC BY-SA 4.0.