Portsea Island

Portsea Island Map 1717

Portsea Island Map 1717

A layer of thick white fungus and green slime were the culprits behind the broken floor

THIS WEEK IN 1971: Southsea man escaped falling bathroom floor

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With today’s satellite systems and aerial photography, map-making must be comparatively easy.

But this map of Portsea Island was drawn in 1717 when all the surveyors could do was walk and sail around the island.

Most of it is relatively to scale and many of the lines of today’s roads can be made out even from 295 years ago.

Notice that Portchester Castle is named Caesar Castle. I wonder how many of you have ever heard of that before?

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