This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Table rfractions. fr Table des rfractions suivant JD Cassini et La Caille Cassini ca La Caille BnF Gallica Connaissance des temps bnf fr image langFR La Connaissance des temps Accs en ligne D'aprs Cassini et La Caille other versions PDold Uploaded with Refraction
Page 2023 Free-images.com. All images are Public Domain