×
Log in
Get Started
Travel
Technology
Sports
Marketing
Education
Career
Social Media
+ Explore all categories
Report -
Lens Technologies. Microscopes Invented by Johannes and Zacharias Jansen in 1590 Larger inverted image Used in study of cells and diseases.
Select
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Please pass captcha verification before submit form