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.
Around 4000 BC Man was using a bronze tool to scratch the surface of a moist clay tablet. 600-1800 AD the Europeans used the quill pen which they used to right on parchment paper. In 1790 the first pencil lead was invented in France and Australia. In 1953 the first inexpensive ball point pen was first mass produced.From 1997 to present day they invented finger pens which were designed to not have to use three fingers to write with.n 1790 the first pencil lead was invented in France and Australia. In 1953 the first inexpensive ball point pen was first mass produced. From 1997 to present day they invented finger pens which were designed to not have to use three fingers to write with.