The power of diagrams to shape ideas and reality

what is a Diagram?

– A figure made by lines serving to illustrate a definition or statement, or to point a proof of a proposition.
– An illustrative figure which, without representing the exact appearance of an object, gives an outline or general scheme of it.
– A set of lines, marks or tracings which symbolically represents the course of any action which characterize it.



A rural grid—

A rural grid is a diagram of the rural area in general which shows the fields, farms, forests, etc.


-Captain Samuel Holland was the first person who drew a map and rural grid of Prince Edward Island.
-This map was along St. Lawrence River, Cape Breton, Madelaine Islands, and south along the Atlantic coast
-He was sent to Quebec city and died there. His wife came back to the island after his death.
-He started the mapping in 1764 and finished after two years in 1766.


Street grid—

The grid plan, grid street plan or gridiron plan is a type of city plan in which streets run at right angles to each other, forming a grid. In the context of the culture of ancient, the grid plan method of land measurement was called  centuriation.


-Charlottetown became a City by act of the General Assembly of Prince Edward Island under the City of Charlottetown Act in April 1855.
-There was a 565-acre buffer zone places before the water for future expansion of the city.
-The city consisted 500 lots, and 4 green parks.
-Formal government in Charlottetown began with the arrival of Governor Walter Patterson in 1770.



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