Title
Prototype of the kilogram
Caption
International Bureau of Weights and Measures. Prototype of a kilogram in iridium metal. On the front, a clamp used to manipulate it.
Credit line
Photo12
Reference
INV00003_KILOGR
Model release
No
License type
Rights managed
Available size
6.7Mb (255.4Kb) / 4.4in x 5.9in / 1323 x 1772 (300dpi)