After three years of searching, on December 30, 1907, Spalding received a letter that ( erroneously ) declared baseball to be the invention of Abner Doubleday.

After the invention of cannons, naval warfare became useful as support units for land warfare.

After then, the rules would need to be modified from observations made since the invention of the calendar.

After the 1690 invention of the vacuum pump by Otto von Guericke, physicists began to experiment with passing high voltage electricity through rarefied air.

After the invention of the telescope, measurements were made by observing occultations of stars by the Moon, which allowed the derivation of more closely spaced and more accurate values for ΔT.

After invention, this innovation spread throughout Europe.

After being sent on a lengthy tour of Europe starting 1927 – including London, Paris and towns in Germany – during which he demonstrated his invention to full audiences, Theremin found his way to the United States, arriving on 30 December 1927 with his first wife Katia.

After the invention of the explosive shell, star forts became obsolete as well.

After reading about Daguerre's invention, Talbot refined his process so that portraits were made readily available to the masses.

After the invention of malted barley roasted until black to impart a darker colour and distinct burnt taste to the beer in 1817, Irish brewers dropped the use of brown malt, using patent malt and pale malt only, while English brewers continued using some brown malt, giving a difference in style between English and Irish porters.

After a period of trial and error and modifications of Archer's invention, new machines based on the principles pioneered by Archer were purchased and in 1854 the U. K. postal authorities started continuously issuing perforated postage stamps in the Penny Red and all subsequent designs.

After having travelled to England and discovered William James ' invention, the French physician Manuel Théodore Guillaumet, from Argentan ( Normandy ), patented in 1838 the oldest known regulator mechanism.

After being struck ( and nearly killed ) by a bolt of lightning he proudly announced to the world that his invention also served as a " lightning detector ".

After a lengthy tour of Europe, during which time he demonstrated his invention to packed houses, Theremin found his way to the United States, where he patented his invention in 1928 ().

After the Austrian government decided to invest in the invention, Whitehead started the first torpedo factory in Fiume.

After their invention in the 1860s, typewriters quickly became indispensable tools for practically all writing other than personal correspondence.

* 1939: After floundering for years, even producing his fins in his own flat in Paris, De Corlieu finally starts mass production of his invention in France.

** After World War II Lambertsen called his 1940-1944 rebreather LARU ( for Lambertsen Amphibious Respiratory Unit ) but as of 1952 Lambertsen renamed again his invention and coins the acronym SCUBA ( for " self-contained underwater breathing apparatus ").

After about two decades of controversy, invention of America's " national game " of baseball was attributed to Abner Doubleday by the Mills Commission ( 1905 – 1907 ).

After the war, in 1948, the USA released the invention for commercial use.

After the invention of Zyklon B, its production was stopped.

After the war, in 1946, both men founded La Spirotechnique ( as a division of Air Liquide ) in order to mass produce and sell their invention, this time under a new 1945 patent, and known as CG45 (" C " for Cousteau, " G " for Gagnan and " 45 " for 1945 ).

After the invention of the automobile and the development of the automotive assembly line, the population of Ferndale increased rapidly.

After field tests that lasted into 1982, Suitcase SETI was put into use in 1983 with the 26-meter Harvard / Smithsonian radio telescope at Harvard, Massachusetts.

After lobbying in the 1960s and 70s for such a system to be built, Spitzer's vision ultimately materialized into the world's first space-based optical telescope, Hubble Space Telescope, which was launched on April 20, 1990 by the Space Shuttle Discovery ( STS-31 ).

After the spherical aberration was corrected during Space Shuttle mission STS-61 in 1993, the improved imaging capabilities of the telescope were used to study increasingly distant and faint galaxies.

After seeing Saturn through the telescope at San Jose's Lick Observatory, he rushed home to paint what he had seen.

After the telescope was activated, researchers at Goddard could " talk " to the telescope via computer.

After his untimely early death from double pleurisy, his widow funded the Henry Draper Medal for outstanding contributions to astrophysics and a telescope, which was used to prepare the Henry Draper Catalog of stellar spectra.

After moving to Königsberg Observatory, Struve built a 32. 5-inch refractor telescope there and continued his work on the moons of Saturn, the last observations of which he made in 1916.

After a series of meetings between British and Australian scientists in the early 1960s to discuss the technical specifications and begin the search for a suitable site for the proposed telescope, a formal approach was made to the governments of both countries in July 1965.

After seeing some 200 comets, in 1995 Hale co-discovered Comet Hale – Bopp with a telescope in his driveway, noting the " fuzzy object " was not found in star charts of Sagittarius and was not a known comet.

After full refurbishment, the telescope will measure 27 inches in diameter, 9 feet 3 inches long and will weigh 1, 600 pounds.

After his death in 1908, however, the telescope fell into disrepair ; the mirror was taken to the Science Museum in London, and circa 1914 the telescope's metal supporting structure was melted down to be used in the First World War.

After spying on her through a telescope, he meets and declares his love for this jaded woman who long ago gave up on believing in love.

After a series of proposals and debates, in 1975, the SRC millimetre steering committee concluded that it would be possible to construct a 15-metre diameter telescope capable of observing at wavelengths down to 750 µm.

After obtaining a three-inch ( 76 mm ) telescope and learning to enjoy the hobby of amateur astronomy, he joined the Astronomical Society of the Pacific.

After much delay the instrumentation was completed in 1831 with delivery of the transit telescope.

After another unsuccessful attempt to garner support, the project was backed by theYevpatoria RT-70 radio telescope with funding from the Education Department of Moscow.

After reading an article by Russell W. Porter on telescope making, he arranged a visit by Porter to New York in June 1925, out of which came an article later that year in Scientific American.

After defeating an ice monster, Samson and Goliath use a reflecting mirror from a telescope to deflect a freeze ray back at the villains ' ship.

After some mental house-cleaning, Donald plays with a circle and a triangle in his mind, and he discovers useful inventions such as the wheel, train, magnifying glass, drill, propeller, and telescope.

After Galileo began using a telescope to examine the sky, it became harder to argue that the heavens were perfect, as Aristotelian philosophy required.

After work, the pair spies on a woman living across the street with a telescope ; they discover that she is being mistreated by a man who is with her.