All
Search
Images
Videos
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
0:35
Invention Of Bifocal Lenses By Benjamin Franklin | Invention By F
…
2.2K views
Apr 28, 2023
YouTube
Travel Thoughts
25:17
Benjamin Franklin’s Bifocals
179 views
10 months ago
YouTube
Insight Intelligence
3:33
⚡Benjamin Franklin for Kids | How the Lightning Rod & Bifocals Chan
…
226 views
2 months ago
YouTube
History Kiddos
Benjamin Franklin invented bifocals out of diplomatic necessity. | The
…
59.1K views
2 months ago
Facebook
The History Page
1:02
Dr. Franklin, what’s the best part about bifocals? …Perspective.
2 views
2 months ago
YouTube
Random History
2:53
How Did Progressive Lenses Evolve From Bifocals? - Eye Health Experts
2 views
3 months ago
YouTube
Eye Health Experts
What Did Benjamin Franklin Invent? Much More Than Bifocals
Oct 20, 2023
howstuffworks.com
A CLEAR HISTORY How Ancient GLASS Became MODERN VISION
1K views
6 months ago
YouTube
Ancient Origins
Benjamin Franklin was one of historys greatest inventors who cr
…
51K views
4 months ago
Facebook
The History Page
3:40
Benjamin Franklin's Top Inventions | American History For Kids
3K views
4 months ago
YouTube
Bedtime History
See more videos
More like this
Feedback
Feedback