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What else can I help you with?
Who invented the bike tubes?
John Dunlop invented the pneumatic tubes.
When were float tubes invented?
The float tube was invented in the 1950's by a fisherman. Float tubes were around for 30 years before they gained popularity in the 1980's.
When were the vacuum tubes invented?
1904, a diode by Fleming.
Who invented the vacuum tubes and storage devices?
Vacuum tube was invented by lee de forest .
What weapons were invented in ancient China?
Weapons invented in ancient China include gunpowder. In the search for an elixir of life gunpowder was discovered accidentally. Initially tubes of it were attached to arrows and these exploded among the enemy. The first artillery used bamboo tubes, soon replaced by metal tubes.
What year was the test tube invented?
Test tubes was invented by Jhon Flamesteed
When were filament tubes invented?
The first hot filament diode tube was invented in 1904 by Fleming, the first hot filament triode tube was invented in 1907 by DeForest. However it was not until 1913 that it was determined that high vacuum was actually needed for efficient and reliable operation of these tubes. So true hot filament vacuum tubes were not made and used until 1913.
Who discover vacuum tubes?
John Ambrose Fleming invented the vacuum tube in 1904.
Who invented the vacuum tubes and when?
Vacuum tubes were invented by Thomas Edison in the 1880s. However, it was later improved by Lee De Forest in the early 20th century, who added a grid electrode and introduced the concept of the triode vacuum tube.
Who invented chest tubes?
Hippocrates first invented a chest tube that was constructed out of metal. They were not in wide spread use until the influenza epidemic of 1917.
Who was the transistor invented for?
The transistor is a replacement for vacuum tubes, which is smaller, cheaper, and more reliable for most purposes.
What is the use of a test tube?
To clean inside test-tubes properly. If it didn't exist it would have to be invented.
