Title
Meter, first prototypes
Caption
Melting, at the Arts et Métiers Conservatory, of the alloy of platinum and iridium for the manufacture of the first meter prototypes.
Credit line
Photo12
Reference
INV00003_FONTE
Model release
No
License type
Rights managed
Available size
6,4Mb (612,6Kb) / 5,9in x 4,2in / 1773 x 1269 (300dpi)