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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 gen 1874 anni - Ernest Abbe devises the Abbe number and the first refractometer 1874
Aggiunto al nastro di tempo:
The development of optometry through the ages
By
Christian Pot
10 apr 2021
0
0
763
Data:
1 gen 1874 anni
Adesso
~ 151 years ago
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