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.
15 Je suis un crayon rouge. After the 1917 Soviet revolution, American entrepreneur Armand Hammer was awarded a monopoly for pencil manufacturing in the USSR. 16 More than half of all pencils come from China. In 2004, factories there turned out 10 billion pencils, enough to circle the earth more than 40 times.