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List four new inventions designs or ideas of the 1780s.?
1780: Bifocal glasses were invented by Benjamin Franklin 1783: invention of the hot air balloon 1784: the safety lock is invented by Joseph Bramah 1785: invention of a parachute by Blanchard
What were Four inventions of the agricultural revolution included?
Scythe horse drawn hoe horse drawn seed drill plough
What are some simple inventions that haven't been invented that I could make in four days?
Thousands of inventions surface daily, most are never entertained for mass production. A simple invention that could be done in just four days is a cell phone application to read the tone of your voice and select the right song to play for that particular mood.
Why the synchronous motor is always a salient pole machine ie why don't we use a cylindrical pole machine as a synchronous motor?
The speed of the machine is tied to the power supply frequency and the number of poles the machine has. It becomes impractical to make a round rotor machine with many poles, so machines that spin at low revolutions will typically be salient designs. A two or four pole machine could be round rotor designs.
What is a four input and gate?
A four input and gate is a logic gate with four inputs. The output is true only when all four inputs are true.
Trade and commerce between civilizations helped to what?
I think all four: Exchange new ideas Spread languages Share new inventions Make people rich
Trade and commerce between civilizations helped to?
I think all four: Exchange new ideas Spread languages Share new inventions Make people rich
List four new inventions designs or ideas of the 1780s.?
1780: Bifocal glasses were invented by Benjamin Franklin 1783: invention of the hot air balloon 1784: the safety lock is invented by Joseph Bramah 1785: invention of a parachute by Blanchard
In the 1780s was 4 the average family size?
Yes, during the 1780s, the average family size in the United States was around four individuals. Families tended to be larger due to higher birth rates and lower mortality rates compared to modern times.
What are 4 inventions that were made in china?
"Four Great Inventions:"GunpowderPaperPrintingCompassOthers:ForkBank notes (paper currency)CoffinCast IronIncenseBell
What were the four inventions of the Han dynasty?
kite crossbow compass paper
What are considered the four great inventions of china?
papermaking, compass, gunpowder, and printing
What were four helpful inventions in the americam history?
Among many inventions that have helped the US, a few stand out as "remarkable". The four are:* telephone * airplane * phonograph and * motion picturesOther views exist of course. The question requires a subjective answer.
What four ideas are still in your government there were part of the purtian lifestyle?
the four ideas are food,water,shelter and finding land for the children
What are 4 inventions from 1400 to 1500?
There are many inventions. Just four of them (randomly) are: 1445-printing press 1485 parachute 1495 toothbrush 1500 flushing toilets
12. Which is not one of Darwin's four main ideas of natural selection?
Inheritance of acquired characteristics is not one of Darwin's four main ideas of natural selection. His four main ideas are variation, competition, heritability, and differential reproductive success.
What are four inventions that occuured during the civil war?
Submaries, telograughs, the gatling gun, railroads
