Anh
actinograph
pyrheliograph
Đức
Aktinograph
Pyrheliograph
Pháp
actinographe
pyrhéliographe
Aktinograph,Pyrheliograph /SCIENCE/
[DE] Aktinograph; Pyrheliograph
[EN] actinograph; pyrheliograph
[FR] actinographe; pyrhéliographe