The Treaty of Saragossa did not modify or clarify the line of demarcation in the Treaty of Tordesillas, nor did it validate Spain's claim to equal hemispheres (180Â° each), so the two lines divided the Earth into unequal hemispheres. Portugal's portion was roughly 191Â° whereas Spain's portion was roughly 169Â°.
Transcript of The Hair Straightener: Past and Present. The Hair Straightener: Past and Present By Josephine and TaMuriel The hair straightening model that we use today was invented in 1912 by Lady Jennifer Bell Schofield, although a tool for shaping hair, called a pressing comb, was invented in 1872.
Stapler in various shapes and sizes -- have been around for approximately 300 years. Yet, the question still remains who should get the credit for them? Some reference books credit an American, Samuel Slocum. In 1841, he patented his invention of sticking pins on paper - a forerunner of the stapler. Other reference materials suggest the first true stapler was the McGill Single Stroke Staple Press, which could load a single staple and drive the staple through two pieces of paper.