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.
On this date 1899, John Albert Burr invented one of the first rotary-blade lawn mowers. This Black inventors Patent number is #624,749. FOR MORE INFO: www.aaregistry.org/historic_events/view/lawn-mower-invented. John Burr, LAWN MOWER: ROTARY BLADE MOWER PATENT.