結果 : when was the flashlight invented and by whom

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9:05

The History of the Flashlight

Canadian Prepper
25,403 回視聴 - 8 年前
1:19

A historical story about the Invention of the Flashlight

AM Crew
5,398 回視聴 - 12 年前

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9:44

Why is it Called a "Flashlight"?: Its Evolution, from Batteries to LEDs

History of Simple Things
26,541 回視聴 - 2 か月前
1:29

History of the Flashlight

videolasagna
4,745 回視聴 - 16 年前
0:40

Who invented the Flashlight? #invented #history #shorts

Inventor Insights
415 回視聴 - 3 か月前
0:10

Magical light gun #shortsfeed #light #experiment #diy #electrical

ISMAIL ELECTRIC TECH
140 回視聴 - 1 日前
2:29

Who invented the LED flashlight? How far have we come?

Altare Productions
60 回視聴 - 1 年前
0:47

The History of Flashlights in UNDER 60 SECONDS!🔦🤓 #shorts #flashlight #nitecore #fyp

Nitecore Store
3,871 回視聴 - 1 年前
0:32

World's brightest flashlight

_vector_
215,191,845 回視聴 - 1 年前
0:34

I Tested the World’s Brightest Flashlight at World’s Darkest Place 😳 #shorts

Sean Andrew
1,828,720 回視聴 - 5 か月前
0:27

The first Flashlight in the world #facts #first #factsenglish

Factogen
682 回視聴 - 6 か月前
8:55

Magnifying The World's Brightest Flashlight (200,000 Lumens)

The Action Lab
2,345,278 回視聴 - 4 か月前
0:44

5 FACTS ABOUT FLASHLIGHTS #funfacts #5facts #amazingfacts #shorts #flashlight

Fun Facts
124 回視聴 - 1 年前
0:08

I am really thankful to the person who invented the flashlight... 🤣 #funny #jokes #shorts

sunset vivid
2,692 回視聴 - 11 か月前
0:16

Flashlight caddy . My first invention…….

Day Dreaming Inventor - Ke
25 回視聴 - 2 年前