A physical treatise on electricity and m
๐
Article
๐
1881
๐
Elsevier Science
๐
English
โ 263 KB
I, en~;h of J'upiter's ]}ay.--The Emperor of Brazil has transmitted to the French Academy a note of M. Crul's upon the time of Jupiter's rotation. The sharpness of outline and the bright color of the brown spot which has been so long visible enabled him to deduce from nearly 1100 rotations a period