Biography on paul l downing
John Standard is recognized for many contributions throughout the household, including the oil stove, but he is primarily known for improving the refrigerator. Standard found multiple ways the refrigerator could be improved, such as adding ice to a chamber to help cooling. His patented improvements are still seen in households today. The earliest clothes dryers were made in Europe in the late 18 th century and were heated under an open fire.
To avoid clothes smelling like smoke or completely burning, Sampson, from Dayton, Ohio, created a ventilator dryer which used heat from a stove rather than open flames. J Marshall invented the fire extinguisher sprinkler system, which is typically used in large buildings and factories to effectively put out large and potentially disastrous fires.
This system enables water to be pumped through pipes throughout the building. In addition to the creation of the mailbox, Downing also designed an electrical switch that allows railroad workers to shut off power to trains at certain times. American football player and coach — This article is about the American football player and coach.
For the English soccer player, see Paul Downing footballer. Football [ edit ]. Stanford [ edit ]. Oregon Agriculture College [ edit ]. Head coaching record [ edit ]. See also [ edit ]. References [ edit ].
Biography on paul l downing
Oregon State University Alumni Association. Archived from the original on July 19, Retrieved February 25, This is so true! I taught American History in high school for a short time and was constantly looking to insert black inventors into the fabric of or lives. This was before Google and you really had to do your homework to find a gems like Paul Downing!
Love this 28 day list!!! Really could be endless! Talented young black men and women still inventing things every day! The mailbox was created by Philip B. On June 17,the U. Then, on October 27,his two patents for a street letter box also gained approval. A tall metal box with a secure, hinged door to drop letters. Until this point, people wanting to send mail had to travel to the nearest post office.
The Black person who was sent to the post office to get the mail would linger long enough to get a drift of the conversation from the group of white people who congregated there. While many records accredit this to the news that came through the telegraph, it actually began before then. His idea for the hinged opening prevented rain or snow from entering the box and damaging the mail.
Mahoney, E. Downing Washington, B. UP From Slavery. Dover Publications Inc. Chapter 1: A Slave Among Slaves, p. Writing to restore Black historical truth through fiction, nonfiction, and poetry. View all posts by Yecheilyah. Reblogged this on All About Writing and more.