The Secret Specialist: William Chester Ruth and the Invention of Modern Farming
2:34
YouTubeBlack History Unfiltered
The Secret Specialist: William Chester Ruth and the Invention of Modern Farming
In the 1940s, the U.S. government was desperate for precision machinery. They found their answer in William Chester Ruth, a self-taught Black inventor in Gap, Pennsylvania, who held over 50 patents. From the revolutionary "Ruth Baler" to secret chemical spreaders used in WWII, this is the unfiltered history of the man who out-engineered the ...
已浏览 33.7万 次1 个月前
短视频
How was the underground invented 100 years ago?
1:18
已浏览 1091 次
How was the underground invented 100 years ago?
IDiyas Inventor Videos
The idea from An old Fan motor! This simple invention could change everything
3:00
已浏览 91.6万 次
The idea from An old Fan motor! This simple invention could change everything
Brain Inventor
Autodesk Inventor Tutorial
Autodesk Inventor 2025 | Basics For Beginners | 30 minute Guide to 3D Design | Step-by-Step
27:49
Autodesk Inventor 2025 | Basics For Beginners | 30 minute Guide to 3D Design | Step-by-Step
YouTubeDesign Forge
已浏览 23.5万 次2024年11月26日
Autodesk Inventor Complete College Course for Beginners with Training Guide
5:30:38
Autodesk Inventor Complete College Course for Beginners with Training Guide
YouTubevertanux1
已浏览 11.8万 次2022年4月24日
E1 Autodesk Inventor 2024 | Basic Modeling for Beginners Tutorial with Training Guide
34:15
E1 Autodesk Inventor 2024 | Basic Modeling for Beginners Tutorial with Training Guide
YouTubevertanux1
已浏览 4.2万 次2024年3月14日
热门视频
Peculiar Things About Nikola Tesla
1:01
Peculiar Things About Nikola Tesla
TikToklored3396
已浏览 4697 次1 个月前
His invention saves our lives every day, and few people know about it | #history #funfacts #didyo...
1:47
His invention saves our lives every day, and few people know about it | #history #funfacts #didyo...
YouTubeHistorias De Marcas
已浏览 16.6万 次1 个月前
The Barber of Progress: How Richard Spikes Invented the Modern World
2:44
The Barber of Progress: How Richard Spikes Invented the Modern World
YouTubeBlack History Unfiltered
已浏览 4.3万 次1 个月前
Autodesk Inventor Tips and Tricks
Autodesk Inventor Tips and Tricks
1:04:13
Autodesk Inventor Tips and Tricks
YouTubeCivil CAD Tutorials
已浏览 8017 次2019年4月22日
Level Up Your Skills with Autodesk Inventor Tips and Best Practices
1:07:30
Level Up Your Skills with Autodesk Inventor Tips and Best Practices
YouTubeHagerman & Company
已浏览 3.6万 次2024年10月28日
20 Inventor Tips in 20 Minutes | Autodesk Virtual Academy
32:59
20 Inventor Tips in 20 Minutes | Autodesk Virtual Academy
YouTubeKETIV Technologies
已浏览 5.2万 次2019年1月11日
Peculiar Things About Nikola Tesla
1:01
Peculiar Things About Nikola Tesla
已浏览 4697 次1 个月前
TikToklored3396
His invention saves our lives every day, and few people know about it | #history #funfacts #didyo...
1:47
His invention saves our lives every day, and few people know about it | #history #funfacts #didyo...
已浏览 16.6万 次1 个月前
YouTubeHistorias De Marcas
The Barber of Progress: How Richard Spikes Invented the Modern World
2:44
The Barber of Progress: How Richard Spikes Invented the Modern World
已浏览 4.3万 次1 个月前
YouTubeBlack History Unfiltered
How was the underground invented 100 years ago?
1:18
How was the underground invented 100 years ago?
已浏览 1091 次1 周前
YouTubeIDiyas Inventor Videos
The idea from An old Fan motor! This simple invention could change everything
3:00
The idea from An old Fan motor! This simple invention could change everything
已浏览 91.6万 次1 个月前
YouTubeBrain Inventor
how to work electric dc motor Generator | belt experiment led light #dcmotors #electricmotors
0:11
how to work electric dc motor Generator | belt experiment led light #dcmotors #electricmotors
已浏览 2万 次1 个月前
YouTubeInventor PR
How Elastic Rubber Belt Powered 12 LED Lights Using N20 Gear Motor
0:07
How Elastic Rubber Belt Powered 12 LED Lights Using N20 Gear Motor
已浏览 31.5万 次2 个月之前
YouTubeInventor Pial
1:23
Inventions Everyone Thought Would Be Huge Until They Flopped (part 6)
已浏览 733 次1 周前
YouTubeIDiyas Inventor Videos
1:01
The escalator was originally a horror attraction #cibertales #otis #generalculture
已浏览 10.6万 次1 个月前
YouTubeCIBERTALES
2:59
A genius invention from a phone charger — turn it into useful tools for free!
已浏览 275.3万 次1 个月前
YouTubeBrain Inventor
0:09
Extinguish fire with homemade fire security system
已浏览 57.8万 次4 周前
YouTubeInventor Pial
0:08
How to Make a Powerful DC Motor LED Light Generator at Home
已浏览 2.2万 次1 周前
YouTubeInventor PR
2:59
The idea from An angle grinder! Every household needs | You'll be surprised!
已浏览 16.4万 次1 个月前
YouTubeBrain Inventor
0:11
Powering two type voltmeter with a gear motor
已浏览 8439 次2 周前
YouTubeInventor Pial
0:11
Tow mini dc motor fan & voltmeter powered with gear motor power generating system
已浏览 6735 次1 周前
YouTubeInventor Pial
0:08
How a mini vibrator dorne motor powered speaker • drone motor
已浏览 6.2万 次1 个月前
YouTubeInventor Pial
0:09
How To Working Project Using mini DC Motors & LED light • DIY #schematic #diyelectronics #diy
已浏览 3670 次2 周前
YouTubeInventor PR
0:09
Powering Lemon Neon Red Light With Metal Gear Motor & Wheel
已浏览 3878 次1 周前
YouTubeInventor Pial
0:48
How to Make an Antenna Using a Phone Charger! Unlock TV Channels Worldwide
已浏览 1488 次6 天之前
YouTubeInventor DIY
展开
静态缩略图占位符

短视频

2:34
The Secret Specialist: William Chester Ruth and the Invention of Modern Farming
已浏览 33.7万 次1 个月前
YouTubeBlack History Unfiltered
1:01
Peculiar Things About Nikola Tesla
已浏览 4697 次1 个月前
TikToklored3396
1:47
His invention saves our lives every day, and few people know about it | #history
已浏览 16.6万 次1 个月前
YouTubeHistorias De Marcas
2:44
The Barber of Progress: How Richard Spikes Invented the Modern World
已浏览 4.3万 次1 个月前
YouTubeBlack History Unfiltered
1:18
How was the underground invented 100 years ago?
已浏览 1091 次1 周前
YouTubeIDiyas Inventor Videos
3:00
The idea from An old Fan motor! This simple invention could change everything
已浏览 91.6万 次1 个月前
YouTubeBrain Inventor
0:11
how to work electric dc motor Generator | belt experiment led light #dcmotors #electricmotor
已浏览 2万 次1 个月前
YouTubeInventor PR
0:07
How Elastic Rubber Belt Powered 12 LED Lights Using N20 Gear Motor
已浏览 31.5万 次2 个月之前
YouTubeInventor Pial
1:23
Inventions Everyone Thought Would Be Huge Until They Flopped (part 6)
已浏览 733 次1 周前
YouTubeIDiyas Inventor Videos
1:01
The escalator was originally a horror attraction #cibertales #otis #generalculture
已浏览 10.6万 次1 个月前
YouTubeCIBERTALES
2:59
A genius invention from a phone charger — turn it into useful tools for free!
已浏览 275.3万 次1 个月前
YouTubeBrain Inventor
0:09
Extinguish fire with homemade fire security system
已浏览 57.8万 次4 周前
YouTubeInventor Pial
0:08
How to Make a Powerful DC Motor LED Light Generator at Home
已浏览 2.2万 次1 周前
YouTubeInventor PR
2:59
The idea from An angle grinder! Every household needs | You'll be surprised!
已浏览 16.4万 次1 个月前
YouTubeBrain Inventor
0:11
Powering two type voltmeter with a gear motor
已浏览 8439 次2 周前
YouTubeInventor Pial
0:11
Tow mini dc motor fan & voltmeter powered with gear motor power generating syste
已浏览 6735 次1 周前
YouTubeInventor Pial
0:08
How a mini vibrator dorne motor powered speaker • drone motor
已浏览 6.2万 次1 个月前
YouTubeInventor Pial
0:09
How To Working Project Using mini DC Motors & LED light • DIY #schematic
已浏览 3670 次2 周前
YouTubeInventor PR
0:09
Powering Lemon Neon Red Light With Metal Gear Motor & Wheel
已浏览 3878 次1 周前
YouTubeInventor Pial
0:48
How to Make an Antenna Using a Phone Charger! Unlock TV Channels Worldwide
已浏览 1488 次6 天之前
YouTubeInventor DIY
静态缩略图占位符