Search results
Results From The WOW.Com Content Network
Lewis Edson Waterman (November 20, 1836 – May 1, 1901) was an American inventor. He held multiple fountain pen patents and was the founder of the Waterman Pen Company . His entry into fountain pen manufacturing has only recently been properly researched.
Lewis Waterman, an insurance salesman in New York City, invented the first truly functional fountain pen in the early 1880s. An apocryphal story is that a typical pen of the day leaked all over a contract he had prepared for a large policy, and by the time Waterman returned with a new document, his client had signed with someone else. [2]
Sarah Mather, originally from Brooklyn, New York, is most known for her invention of the underwater telescope. Born Sarah Porter Stiman in 1796, she was married to Harlow Mather at age 23, in 1819. Several years later, in 1845, April 16 she received a patent for her innovation of the “submarine telescope and lamp”.
Notes on Hans Lippershey's unsuccessful telescope patent in 1608. The first record of a telescope comes from the Netherlands in 1608. It is in a patent filed by Middelburg spectacle-maker Hans Lippershey with the States General of the Netherlands on 2 October 1608 for his instrument "for seeing things far away as if they were nearby." [12] A few weeks later another Dutch instrument-maker ...
A claim will be made 37 years later by another Dutch spectacle-maker that his father, Zacharias Janssen, invented the telescope. [17] A replica of Galileo's telescope. 1609 — Galileo Galilei makes his own improved version of Lippershey's telescope, calling it a "perspicillum".
The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.
Headline from the New York Times article on Szczepanik's telectroscope (April 3, 1898). Nevertheless, the word "telectroscope" was widely accepted. It was used to describe the work of nineteenth century inventors and scientists such as Constantin Senlecq, [6] George R. Carey, [7] Adriano de Paiva, and later Jan Szczepanik, who with Ludwig Kleiberg obtained a British patent (patent nr. 5031) [8 ...
The observatory's main telescope is a 16–inch Boller & Chivens Cassegrain reflector, named the Cook Memorial Telescope in memory of Chester Sheldon Cook. Purchased in 1967 by the Harvard College Observatory, the telescope was used by generations of students at the Oak Ridge Observatory until it closed in 2005. The Cook Memorial Telescope is ...