Who invented the lock black?
Who invented the lock black?
W. A. Martin – Lock
When did WA Martin die?
Au
Who invented the lock?
The earliest patent for a double-acting pin tumbler lock was granted to American physician Abraham O. Stansbury in England in 1805, but the modern version, still in use today, was invented by American Linus Yale Sr. in 1848.
Who was Washington a Martin?
William Augustin Martin Jr. (June 1, 1878 – August 5, 1955) was an American football player and coach. He served as the head football coach at the University of Alabama in 1899, compiling a record of 3–1.
Where was WA Martin born?
Chattanooga, Tennessee, United States
What did Thomas Elkins invent?
As a surgeon, researcher, and inventor, he invented the modern blood banks. Since World War II, his invention has gone on to save thousands of lives. In addition to other inventions, Elkins created the chamber commode in 1872. It included a mirror, washstand, mirror, and more.
What African American invented the toilet?
| Lewis Howard Latimer | |
|---|---|
| Born | September 4, 1848 Chelsea, Massachusetts, U.S. |
| Died | December 11, 1928 (aged 80) Flushing, Queens, New York City, U.S. |
| Occupation | Inventor, patent consultant, author, engineer, draftsman, Navy Landsman (Rank) |
| Spouse(s) | Mary Wilson Lewis ( m. 1873) |
Who invented the refrigerator?
William Cullen
What did Sarah E Goode invent?
folding cabinet bed
Is Sarah Goode alive?
Deceased (1855–1905)
Who was Sarah E Goode married to?
Archibald Goode
Who was the first African American to hold a patent?
Thomas L. Jennings
Where did Sarah E Goode live?
Chicago
What is Granville famous for?
One of his notable inventions was a device he called the Synchronous Multiplex Railway Telegraph, a variation of induction telegraph which relied on ambient static electricity from existing telegraph lines to send messages between train stations and moving trains….Granville Woods.
| Granville Tailer Woods | |
|---|---|
| Occupation | Inventor |
| Signature | |
What did Edison do while he was in Boston?
Edison moves to Boston, Massachusetts, to work as a telegrapher. He amuses himself by taking things apart and seeing how they work, even making a device to kill cockroaches with electricity. The next year he files his first patented invention, the electrical vote recorder, but no one wants to buy it.
How did Thomas Edison spend his money?
At thirteen he took a job as a newsboy, selling newspapers and candy on the local railroad that ran through Port Huron to Detroit. He seems to have spent much of his free time reading scientific, and technical books, and also had the opportunity at this time to learn how to operate a telegraph.
What did Thomas Edison invent first?
phonograph
What is Elon Musk’s title?
Elon Musk
| Elon Musk FRS | |
|---|---|
| Occupation | Entrepreneur industrial designer engineer |
| Net worth | US$175 billion (As of 11 April 2021) |
| Title | Founder, CEO, lead designer of SpaceX CEO, product architect of Tesla, Inc. Founder of The Boring Company and X.com Co-founder of Neuralink, OpenAI, and Zip2 Chairman of SolarCity |