2 Free Artworks of Pyrheliometers

PSM V18 D024 The pouillet pyrheliometer, between 1880 and 1881

popular science monthly illustrations/volume 18 pyrheliometer - cnam 2539

Pouillet direct piroheliometer, 1863 - Museu da Ciência da Universidade de Coimbra - University of Coimbra - Coimbra, Portugal - DSC09086

historical scientific instruments in the museu da ciência da universidade de coimbra pyrheliometers

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