33
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
5199977
491465
2
Public Timelines
Menu
Public Timelines
FAQ
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
Criar
Close
Create a timeline
Public timelines
Library
FAQ
1 jan 1784 ano - US statesman Benjamin Franklin invents split lens bifocals 1784
Adicionado na linha do tempo:
The development of optometry through the ages
By
Christian Pot
10 abr 2021
0
0
766
Data:
1 jan 1784 ano
Agora
~ 241 years ago
About & Feedback
Acordo
Privacidade
Biblioteca
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
