It was on a Quantitative scale by the Greek astronomer Hipparchus around 130 BC.
The plantation system was first developed by Portuguese explorers in West Africa.
Magnitude. First magnitude descibes many bright stars, and a span of five magnitudes represents a difference of a hundred times in the star's brightness. The dimmest stars seen by a perfect human eye in perfect conditions is 6th magnitude.
An 1826 omnibus in Nantes, France, was the first mass transit system, and its success was soon repeated in other European cities.
The Chinese civilisation was the first to have a civil service where joining it was open to anyone who could pass the entrance examination. As such it was the first modern civil service system.
i think the answer to which empire developed the number system we use today was the perisan empire because they developed so many things not that many thing and you know what i mean
Aristotle developed the first classification system.
The plantation system was first developed by Portuguese explorers in West Africa.
The first operating system was developed in the 1950s.
It is called a barometer, first developed in the 1600's
CHINA
In 4100 BC the Sumerian’s developed the first system of writing.
Galileo developed the thermoscope, the first instrument to measure temperature qualitatively. It was Sanctorius Sanctorius who devised and added the scale to the thermoscope to measure the temperature quantitatively and since then has been called the thermometer.
ENGLAND
Then developed the first system of currency.
The Romans.
1980
He developed the CP/M operating system and also had a hand in the development of BIOS