The Portland Pudgy safety dinghy is a self-rescue boat, even without the optional inflatable exposure canopy and other survival gear. With the exposure canopy, sea anchor, and sail kit, the Portland Pudgy is an unsinkable, dynamic lifeboat.
The âlead pencil,â containing no lead, was invented in 1564, a turning point in pencil history. Although civilizations were centuries away from making mechanical pencil history, the pencil invented in the sixteenth century advanced the writing instrument. Before 1564, artists mainly used stylus-like pencils. The history of the pencil owes a dept to the discovery of a graphite mine in Cumbria, England.
600-1800 AD The Europeans found that writing on parchment with a quill pen altered the style of their writing. At first they used capital letters all the time, but later they developed faster styles with small letters.Quill Pens (firstly appeared in Seville, Spain) were the writing instrument from 600 to 1800 AD. 1790s Pencil lead was invented independently in France and Australia.1800-1850 A metal pen point has been patented in 1803 but patent was not commercially exploited. Steel nibs came into common use in the 1830s.round 3000 BC The Egyptians developed a form of writing with pictures. For writing on papyrus scrolls scribes used thin reed brushes or reed pens. 1300 BC The Romans have been developing form of writing, that they scribed into thin sheets of wax (on wooden tablets).