a AnThony XD 3 éve
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Még több ilyen
Conveyor Invented in 1801 by Joseph Huddart, it was built to create and measure angles. This element was very useful for navigation at that time.
Rule There are circular and straight rules, both were created by William Oughtred.
Graph It is defined as a pictorial representation of data between variables. Its creation is attributed to William Playfair.