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/it/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 gen 1888 anni - 1888 Cement bifocals patented by US optometrist August Morck but Samuel Gregg had the idea earlier in 1866
Aggiunto al nastro di tempo:
The development of optometry through the ages
By
Christian Pot
10 apr 2021
0
0
763
Data:
1 gen 1888 anni
Adesso
~ 137 years ago
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