Historic Tech Timeline

* See also Corrected Rapture Timeline
* See also Real World and Real Physics
* See also Science (In Rapture)
* See also Technology_In_Columbias_Era
* See also Real_Lighter-Than-Air_Ships ( vs that Infinite BS )
* See also Real_Trolleys_and_Subs_and_Trains
* See also Humorous_Corrected_InfiniteBS_Timeline
* See also Too_Late_For_Rapture ( Dont push it too far )
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: NOTE : SUCH BEING MORE RELEVANT TO SCI-FI RAPTURE THAN TO BAD FANTASY INFINITE BS COLUMBIA
:: (It also Keeps the Players Context understandable and sets the Exceptional things like the ADAM Technology apart.)
You may be interested in REAL Historical Technology developments ( to Place Columbia and Rapture in their Proper Contexts ) :
1769 Spinning Frame or Water Frame (thread making) - Richard Arkwright 
1775 First Reliable Steam Engine by James Watt 
1779 Spinning Mule (fine thread making)invented by Crompton
1781 Rotary Action Steam Engine by James Watt 
1785 Power Loom (cloth making) Edmund Cartwright 
1794 Cotton Gin and Substantial use of Interchangeable Parts' American industrialist Eli Whitney invented. 
1809 Arc Lamp, the first electric light Humphry Davy invents
1810 Improved Printing Press by Frederick Koenig
1810 Tin Can (tin plated) Peter Durand invents
1812 Ketchup (tomato ketchup) Recipe was Published - First known published tomato ketchup recipe written by Philadelphia scientist and horticulturalist James Mease 
1820 Wrought-Iron John Birkinshaw invents the durable structural material
1820 First horse-drawn Trolley/Tram ( pasengers, 2 decades earlier for freight )
1825 Electromagnet inventyed by William Sturgeon 
1824 Portland Cement Joseph Aspdin takes out an English patent
1831 First Commercially Viable Reaper Cyrus H. McCormick.
1835 Wrench patented by Solymon Merrick 
1836 Colt Revolver Pistol first patented 
1837 Adhesive Postage Stamp Rowland Hill 
1839 Daguerreotype Photograph invented by Louis Daguerre 
1840 Blueprint invented by Englishmen John Herschel 
1843 Vulcanized Rubber Invented
1844 Samuel Morse Makes the First Effective Telegraph 
1845 Rotary Press (newspapers) Richard March Hoe introduced
1848 Dentist's Chair Waldo Hanchett patents
1851 Submarine (Telegraph) Cable Between England and France
1853 - First Reinforced Concrete
1853 Potato Chips were invented
1857 Pullman Railway Sleeping Car invented by George Pullman
1858 Rotary Washing Machine, Hamilton Smith 
1864 - Electro-Magnetic Wave Theorized
1865 Web Offset Printing - William Bullock introduced a printing press that could feed paper on a continuous roll and print both sides of the paper at once. Used first by the Philadelphia Ledger, the machine would become an American standard. It would also kill its maker, who died when he accidentally fell into one of his presses.
1866 Successful Trans-Atlantic Telegraph Cable, Cyrus Field 
1867 Barbed Wire- Lucien B. Smith of Kent, Ohio, invents the product that will close down the open cattle ranges by closing in cattle onto individual plots of privately owned land. I.L. Ellwood and Company's Glidden Steel Barb Wire will dominate the market; by 1890 the open range will be only a memory.
1868 Tungsten Steel, developed by Robert Mushet 
1868 Air Brakes invented by George Westinghouse 
1868 First Trolley Service Samuel Addison Bishop built the West’s first horsecar railroad running between San Jose and the mission town of Santa Clara in California. Cars were pulled along a line by horse over 4 1/2 miles of narrow gauge tracks.
1870 Pneumatic Subway - Working in secret to hide his operation from Boss Tweed, who opposes it, Scientific American publisher Alfred Ely Beach builds a pneumatic subway under Broadway in New York. Beach's single subway car, which features upholstered chairs and chandeliers is driven along the 300 foot tunnel by a 100 horsepower blower.
1871 Toilet Paper on a Roll initially invented by Seth Wheeler 
1873 Typewriter - Inspired by a Scientific American article featuring a British attempt at a typing machine, Christopher Latham Sholes invents his own. In 1873 he sells an improved prototype to Remington and Sons, gunsmiths, of Ilion, New York, who begin to mass produce the machines. Among the first works to be produced on a typewriter is Mark Twain's "Adventures of Tom Sawyer."
1874 Structural Steel Bridge - Captain James Buchanan Eads finishes the bridge across the Mississippi at St. Louis. Using steel supplied by Andrew Carnegie, Eads incorporates a triple arch design, with spans measuring 502, 520, and 502 feet. The construction amazes the engineering world; Eads will be the first American engineer to be awarded the Albert Medal of the Royal Society of Arts in London.
1875 Electric Dental Drill - George F. Green of Kalamazoo, Michigan, replaces the agony of tooth decay with the anxiety of the dental drill when he invents an electric powered device to drill teeth.
1875 Mimeograph - While using paraffin in an attempt to invent and improve telegraphy tape, Thomas Alva Edison discovers a way to make duplicate copies of documents instead.
1876 Telephone by Alexander Grahm Bell
Alexander Graham Bell patents his telephone, built with the assistance of young self-trained engineer Thomas A. Watson. Elisha Gray, who developed a similar device at about the same time, unsuccessfully challenged Bell's patent.
1877 Phonograph - Working with a team of engineers at his Menlo Park, New Jersey, laboratories, Thomas Alva Edison perfects a system of sound recording and transmission. The first recording replayed is a voice saying "Mary had a little lamb, its fleece was white as snow."
1877 First Telephone in White House - by Rutherford B. Hayes ( It was 1929 before one was put in the Oval Office )
1878 Moving Pictures Eadweard Muybridge invents 
1879 Incandescent Light Bulb - Edison invents the incandescent lamp. Backed by $30,000 in research funds provided by investors including J. P. Morgan and the Vanderbilts, Thomas Edison perfects an incandescent light bulb. The first commercial incandescent system will be installed at the New York printing firm of Hinds and Ketcham in January, 1881.
1880 - Open Hearth Steel Process (Steel Making)
1880s - Electric motors revolutionized streetcars/subways/trolleys - Replacing Horsecars and Cablecars https://metro.fandom.com/wiki/Horsecar - Almost all Horsecars were gone by 1900 ( replaced by electric Trolleys ) (( Making Comstock's 'looking into future' bunk or plain inept. ))
1880 Hearing Aid - R.G. Rhodes improves on the ear trumpet with another primitive hearing aid. The device is a thin sheet of hard rubber or cardboard placed against teeth which conducts vibrations to the auditory nerve.
1881 Camera Film in Roll Format patented by David Houston 
1882 First U.S. Hydroelectric Power Plant at Appleton Wisconsin
1882 Electric Fan - The World becomes a cooler place, thanks to the work of Dr. Schuyler Skaats Wheeler. His two-bladed desk fan is produced by the Crocker and Curtis electric motor company.
1882 Koch isolates "Tuberculosis" Bacillus.
1883 First Skyscraper (Ten Stories) in Chicago 
1883 The Brooklyn Bridge opens - This large suspension bridge, built by the Roeblings (father and son), is a triumph of engineering. Allows New York to be one large city.
1883 Photography Film on a Roll perfected by George Eastman
1884 Functional Mechanical Cash Register invented by James Ritty
1884 Thrill Ride L.N. Thompson, founder of Coney Island's Luna Park, invites the first passengers to board his new thrill ride, a roller coaster attraction called the Switchback.
1884 Practical Small Machine Gun invented by Maxim - This making possible mass slaughter and beginning the mechanization of warfare. 
1884 Carl Kohler Uses Cocaine as a Local Anesthetic 
1884 Koch Isolates the "Cholera" Bacillus
1885 Skyscraper - After the Great Fire of 1871, Chicago has become a magnet for daring experiments in architecture. William Le Baron Jenney completes the 10-story Home Insurance Company Building, the first to use Steel-girder construction; more than twenty skyscrapers will be built in Chicago over the next 9 years.
1885 Benz Develops First Automobile to Run on an Internal-Combustion engine 
1885 Pasteur Develops Hydrophobia Vaccine
1886 R.H. Fitz Identifies Appendicitis
1886/1887 Benz's first automobile [[<<<< check date]]
1887 "Platter" Record - Edison's tube recording system produces distorted sound because of gravity's pressure on the playing stylus. Emile Berliner, a German immigrant living in Washington, DC, invents a process for recording sound on a horizontal disc. The "platter" record is born.
Late 1887/early 1888 - F J Sprague installed the first successful large electric street railway system in Richmond, Virginia, using his electric wire trolley system. 
1888 Kodak Camera - Rochester, New York, George Eastman introduces a hand-held box camera for portable use. The camera is pre-loaded with 100 exposure film; after shooting the photographer returns the whole camera to the manufacturer for development and a reload.
1888 Hertz Produces Radio Waves
1888 Alternating Current Motor (Induction electric motor) and Transformer invented by Nikola Tesla
1888 - Electric Streetcar ( Trolley ) ( spring loaded trolley wire poles, and the improved electric motors hanging off the axles ) perfected by F. J. Sprague - Just 4 years before Columbia's inception . The 1893 Exposition showed off all the latest of this Technology. Comstock should have seen that to be 'modern' (by 1905).
1889 Disc-shaped Sound Recording Medium Emile Berliner
1889 Eiffel Tower Built
1889 First commercial Transparent Roll Photography Film by George Eastman 
1889 Mechanical Dishwasher - After ten years work and numerous prototypes, Mrs. WA Cockran of Shelbyville, Indiana, eases kitchen labor everywhere by producing a practicable dishwashing machine.
1890 Wm. James, Publishes Principles of Psychology
1890 Koch Develops Tuberculin - Used to test for Tuberculosis
1891 Peep Show Machine Developed - Thomas A. Edison and William Dickson perfect their Kinetoscope, a forerunner of the movie projector. Viewers watch through a small peephole as images pass between a lens and an electric light bulb at a rate of 46 frames per second. While the kinetoscope would lead directly to the development of moving pictures and the kingdom of Hollywood, Edison considered the kinetoscope as no more than a toy.
1891 Escalator - Jesse W. Reno, introduces a new novelty ride at Coney Island. His moving stairway elevates passengers on a conveyor belt at an angle of 25 degrees. The device will be shown at the Paris Exposition of 1900, where it is called the escalator.
1892 Diesel-fueled Internal Combustion Engine invented by Rudolf Diesel, patented six years later.
1892 - Opening of the Long Distance Telephone Line from New York to Chicago
1892 Gasoline-powered Automobile - In a loft in Springfield, Massachusetts, brothers Frank and Charles Duryea fabricate the first gasoline-powered automobile built in the United States. It will make its first successful run on the streets of Springfield in September, 1893.
1892 - Hennebique Method of Reinforced Concrete 
1893 Wireless Communication - Nikola Tesla gave the first public demonstration of wireless communication in St. Louis and presented his wireless telegraph at the Chicago World’s Fair
1893 Zipper - At the World's Columbian Exposition in Chicago, Whitcomb L. Judson introduces his clasp locker, a hook-and-eye device opened and closed by a sliding clasp. Improvements in the device by other inventors will continue; workers at B.F. Goodrich will coin the name "zipper" in 1923.
1894 William Ramsay Discovers Argon, First of the Inert Gases
1894 - Boston Subway built ( first in America - London was FIRST )
1895 Lumière Brothers Develop Cinematograph
1895 Roentgen Discovers X-rays
1896 Marconi Patents Wireless Telegraph 
1896 Becquerel Discovers Radioactivity in Uranium
1896 - Ford's First Automobile
1896 Automatic Hat - James Boyle, of Washington, DC, makes public courtesy much more convenient for the modern gentleman. His new hat tips automatically.
1897 Electron discovered by J. J. Thomson
1897 Player Piano - Edwin S. Votey, patents his self-playing piano, which he calls the pianola. The instrument uses instructions recorded on perforated paper to drive a set of artificial wooden fingers poised above a piano keyboard. Later versions placed the entire mechanism inside the body of the piano, eliminating the fingers.
1897 Joseph Thomson Discovers Particles Smaller than Atoms (( The writers have Rosalind Lutece seem to have 'Jumped the Gun'. OR she should have gotten great acclaim if she had published Scientific 'Proof' of her 'Particles' well before even 1893. ))
1897 - Stanley Steamer Automobile ( a mature technology when internal combustion was just starting )
1898 Ramsay and Travers Discover Krypton, Neon and Xenon ( Future Glowey Goodness for Art Deco Rapture )
1898 Submarine - J.P. Holland torpedo boat company launches the first practical submarine, commissioned by the U.S. Navy. The test is successful. Holland gets orders for six more.
1899 Aspirin Invented Did Comstock's chronic headaches ( caused by side-effects of his premature aging ) lead to his issuing orders for constant public hangings to impress 'the Lower Orders' who were Columbia's Untermenschen 'Serviles' ?? 
1900 - Brownie Camera first sold - Kodak's inexpensive camera for the masses ( simplest basic model sold for $1 )
1900 Planck Develops Quantum Theory ( Note - hypothesized/theoretical )
1900 First Zeppelin Built 
1900 Freud, The Interpretation of Dreams
1901 Marconi Transmits the First Trans-Atlantic Radio Message ( From Cape Cod ).
1901 Shaving - King Camp Gillette, former traveling hardware salesman of Fond du Lac, Wisconsin, takes the risk out of shaving with his new double-edged safety razor. By the end of 1904, he will have sold 90,000 razors and 12,400,000 blades, but he will die in 1932 with his dream of a Utopian Society organized by engineers unrealized.
1902 Air Conditioning - Working as an engineer at the Buffalo Forge Company, Willis H. Carrier designs the first system to control temperature and humidity. He will go on to found his own company, the Carrier Corporation, to produce air-conditioning equipment.
1903 Airplane - Wright Brothers Make First Successful Powered Flight - Kitty Hawk, North Carolina, December 17, 1903, brothers Orville and Wilbur Wright break the powered flight barrier with their gasoline-powered "Flyer I." The first powered, sustained, and controlled airplane flight in history lasts 12 seconds. Wilbur pilots the machine. On a flight later that day, Orville will remain aloft 59 seconds and travel 852 feet.
1904 - "General Electric Metallized" Filaments in Lightbulbs ( increased lumens output by more than 50% )
1905 - Einstein, Special Theory of Relativity.
1906 - The General Electric Company is first to patent a method of making tungsten filaments for use in Lightbulbs
1906 - Oil Hydraulic System Advance used to raise and control the guns of the Battleship USS Virginia
1908 Oct 1 Henry Ford starts Mass-Producing the "Model T" Automobile - By 1927, when it is discontinued, 15.5 million Models T's will have been sold in the U.S. Ford owes much of his success to his improved assembly line process, which by 1913 will produce a complete Model T every 93 minutes. 
1908 - Edison Casting Entire Houses in Concretehttps://www.atlasobscura.com/places/thomas-edisons-concrete-houses
'1910 - GE's William Coolidge invented a viable Tungsten-filament lamp
1910 Paul Ehrlich Develops Salvarsan (Treatment) - The first drug devised to overwhelm a micro-organism (Syphilis) without offending the host.
1911 Self Starter - Charles F. Kettering, who developed the electric cash register while working at National Cash Register, sells his electric automobile starters to the Cadillac company. This device increases the popularity of the gasoline-powered car, which no longer needs to be started with a hand crank.
1911 Ernest Rutherford published paper describing the Rutherford model of the Atom. ( Luteces say "Hmm, There is more to these Particles than we thought ..." )
1912 Nabisco made its first Oreo Cookie
1912 Electric Automobile Starter by Charles Kettering
1913 Thermal cracking of petroleum was invented by William Meriam Burton 
1913 Grand Central Terminal was completed and opened in New York City
1913 ​Personal Income Tax 16th Amendment to the Constitution ratified, allowing the US government to collect.
1913 The first Airborne Toilet
1913 - Ford used the Moving Assembly Line
1913 - Zipper invented 
1914 Panama Canal Completed - After 36 years' labor, the bankruptcy of thousands of investors, and the deaths of more than 25,000 men, the Panama Canal is finished. The canal cuts the sailing distance from the East Coast to the West Coast by more than 8,000 miles.
1915 Henry Ford's one-millionth Model T rolled off the assembly line 
1915 First Transcontinental Telephone Call New York to San Francisco by Alexander Graham Bell 
1916 John D. Rockefeller became the first American Billionaire. ( Inflation between then and 1946 was 97% )
1916 Anti-art movement known as Dada created
1917 War - U.S. troops arrive on the battlefields of Europe, where new technologies have created the bloodiest conflict in history. Armored tanks, machine guns, poisonous gas, submarines and airplanes will force military commanders to rethink traditional strategies of war.
1919 Hydrofoil - Alexander Grahams Bell's "Hydrodome IV" sets a world record of 70 mph for water travel. The boat weighs over 10,000 pounds and uses underwater fins to raise the hull of the boat and decrease drag between the hull and the water.
1919 London to Paris Air Service Begun
1920 James Smathers Develops the First Electric Typewriter
1920 KDKA - First regular commercial radio broadcasts begin when AM station KDKA of Pittsburgh delivers the results of the Harding-Cox election to its listeners. Radio experiences immediate success
1921 Wirephoto - The first electronically-transmitted photograph is sent by Western Union. The idea for a facsimile transmission was first proposed by Scottish clock maker Alexander Bain in 1843.
1922 Mass Commercial Radio Broadcasting Begins - 563 licensed radio stations in operation.
1924 Humane Execution - In an effort to make capital punishment more humane, the State of Nevada introduces death by gas chamber. Convicted murderer Gee John takes 6 minutes to die.
1925 - Model T 'Runabout' costing $260 ( the minimal model, NEW - $4,527.00 in 2023 dollars, with inflation )
1926 Rocket - Robert H. Goddard, Professor of Physics at Clark University in Worcester, Massachusetts, makes the first successful launch of a liquid-fueled rocket at his aunt Effie's farm in Auburn, Massachusetts. The rocket reaches 41 ft in altitude. His later rockets reached 1 mile. The Germans paid more attention to his work.
1927 Television - Philo Farnsworth demonstrates the first television for potential investors by broadcasting the image of a dollar sign. Farnsworth receives backing and applies for a patent, but ongoing patent battles with RCA will prevent Farnsworth from earning his share of the million-dollar industry his invention will create.
1928 - Vaccines for Chicken Fowlpox - allowing mass-production (Factory style) for chickens. Rapture would use such high-density production methods.
1928 - Model A Ford development builds infrastructure to produce 1 million units/year for an Est $250 million cost 
1928 24hour Radio Station - KGFJ - The first radio station in the US to broadcast 24 hours a day
1929 Frozen Food - Clarence Birdseye offers his quick-frozen foods to the public. Birdseye got the idea during fur-trapping expeditions to Labrador in 1912 and 1916, where he saw the natives use freezing to preserve foods.
1929 - 25 million cars on the roads in the US
1930 Scotch Tape or Cellophane Tape invented
1931 Radio Astronomy - While trying to track down a source of electrical interference on telephone transmissions, Karl Guthe Jansky of Bell Telephone Laboratories discovers radio waves emanating from stars in outer space.
1931 - Electron Microscope Invented - Ruska & Knoll (Germans)
1932 Defibrillator - Working at the research facilities at Johns Hopkins University, Dr. William Bennett Kouwenhoven develops a device for jump-starting the heart with a burst of electricity.
1935 (January) the first beer cans
1935 Pneumatic Meals - Berlin Germany, Pneumatic Tubes shoot canisters of hot food, selected from a 300 page menu-book, directly to homes.
1936 Canning Beer begins
1937 Chair Lift - Skiers no longer have to climb hills to enjoy their sport. Engineers from the Union Pacific Railroad build a chair lift for the Dollar Mountain resort in Sun Valley, Idaho. Dollar Mountain follows with an order for six more.
1937 Catalytic Cracking Process for Petroleum invented by Eugene Houdry 
1938 First practical/viable Fluorescent Lamp designed George Inman with group at General Electric
1938 Nylon - A team of researchers working under Wallace H. Carothers at E.I. du Pont de Nemours & Company invents a plastic that can be drawn into strong, silk-like fibers. Nylon will soon become popular as a fabric for hosiery as well as industrial applications such as cordage.
1939 Digital Computer - John Atanasoff and Clifford Berry of Iowa State College complete the prototype of the first digital computer. It can store data and perform addition and subtractions using binary code. The next generation of the machine will be abandoned before it is completed due to the onset of World War II.
1940 Jeep - Karl K. Pabst of the Bantam Car. Co., Butler, Pennsylvania, produces a four-wheel drive vehicle that will become famous as the jeep. Given its name by its military designation, G.P., or General Purpose, the jeep was used for numerous transport applications throughout World War II, and became a popular domestic vehicle after the war.
1942 Atomic Reaction - A team working under Italian refugee Enrico Fermi at the University of Chicago produces the first controlled, self-sustaining nuclear chain reaction. This experiment and others will result in the development of the Atomic Bomb.
1944 - German V2 (A4) Rocket works after long years of rocket technology development overcoming significant problems. First successful launch was 1942."Rocket Science" - there is a reason this term is used and a cliche - Referring to the great complexity and difficulties which needed to be overcome with extensive skill and new technology. 
1945 Atomic Bomb - A team led by J.R. Oppenheimer, Arthur H. Compton, Enrico Fermi and Léo Szilard detonates the first atomic bomb at the Los Alamos Lab near Santa Fé, New Mexico. Following the tests, the United States dropped two atomic bombs on Japan -- one at Hiroshima, one at Nagasaki -- that claimed more than 100,000 lives.
1947 - Yeager breaks sound barrier in a manned craft
1949 - H-Bomb exploded by US
1949 - Soviets explode Atomic Bomb
1952 Bar Code first patents Woodland/Silver
1953 Russia explodes a H-Bomb
1955 First commercial machine completely constructed from transistors sold by IBM
1956 - US Interstate Highway system started
1957 Oct 4 - Sputnik was in orbit - This would be worrisome news to Ryan -- as it was to so many people at that time.
1958 - Carbon Fiber ( a potential 'advanced' material ) was first invented near Cleveland, Ohio. It wasn’t until a new manufacturing process was developed at a British research center in 1963 that carbon fiber’s strength potential was realized. Natural Carbon Fiber dates back to 1879. Inventor Thomas Edison used carbon fibers as filaments for early light bulbs ( carbonized cotton thread and bamboo, etc ... )
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Edison : “I have not failed 10,000 times, I’ve successfully found 10,000 ways that will not work.” 
(( Something which needs to be fundamentally understood about Technological Development ))
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== Columbia Era : == 
Here are some things that were 'brand new' in 1910 :
* Bakelite Plastic
* Escalators
* Teabags
* Cellophane
* Instant Coffee
* Disposable Razor Blades
* Telephones
* Vacuum Cleaners
* Washing Machines
* Automobiles
Note - "Brand New" as in being available to the majority of American consumers.
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 === Historic Electrical/Electronic/Data/Technological Inventions === :
1799 - Voltaic Pile Battery
1806 - Practical Electric Arc Light
1828 or 1834 (May) - Electric Motor
1837 - Telegraph invented
1853 - Pneumatic Tube System to transfer Telegrams (London)
1876 - Telephone invented
1879 - Electric Light Bulb 
1879 - First Accidental Electrocution
1880 - First form "Wire Terminal Base" wood socket and carbon filament incandescent bulb
1882 - First Hydro Electric generating plant in the US
1883 - Long Distance Telephone Service in the US (NYC to Chicago)
1885 - First Electric Streetcar service (Baltimore)
1887 - First Electric Trolley
1887 - Flat Record Disks system invented ( Edison's cylinder phonograph 1877 )
1888 - First practical Electric Trolley(tram) system ( Richmond Union Passenger Railway )
1888 - First Kodak Camera 
1888 - First Electric Sewing Machine in US (Singer)
1888 - Stepping (relay) switches - invented by Almon Brown Strowger ( used for early automatic phone dialing systems )
1889 - First Electrocution by Electric Chair
1891 - Edison patents a Moving Picture Camera
1895 - First Great (large-scale) AC Hydroelectric Power Plant in the World, at Niagra Falls.
1896 - First Long Range Electric Power Transmission (AC Polyphase)
1896 - First Comic Strip ( versus political cartoons which go back centuries )
1897 - Electron discovered ( an actual 'particle' )
1899 - Poulsen Telegraphone (magnetic recorder)
1900 - Eastman Kodak introduces the Brownie Camera ( snapshot pictures for the masses )
1902 - First Neon Tube
1904 - Fleming Vacuum Tube Valve (Switch)
1906 - First non-vacuum semiconductor device: 'Cat's Whisker' crystal detector developed - uses wire in close contact with Galena
1906 - Audion Tube developed by Lee de Forest ( based on electron flow effect discovered by Edison in 1880s )
1908 - Triode Audion Tube
1911 - First Geothermal Power plant - 250KW
1921 - First World Series game broadcast play-by-play by Radio
1924 - Vitaphone (movie) soundtrack on disc recordings
1926 - First Home Radio Receivers to operate on AC power, instead of batteries
1929 - Ford Model A production ( replaces technically obsolete Model A )
1920's & 1930s - A Variety of Mechanical TV - Rotating synchronized disk with spiral of holes, and a radio-modulated light source. Broadcasts - many dozens of stations in the US and Europe.
1935 - Multiple Cavity Magnetron invented ( very useful for portable RADAR and Radio Transmission )
1936 - First High definition TV regular broadcast by BBC
1936 - Printed Circuit Board invented by Paul Eisler for Radios 
1938 - Commercialization of the Fluorescent Lamp
1939 - A Cyclotron Splits Atom
1943 - USA began to use Printed Circuit technology on a large scale - making 'proximity fuses' for World War II
1944 - First Practical Color Television System
1944 - Boeing B-29 carries 300–1000 vacuum tubes and tens of thousands of passive components
1946 - High Fidelity magnetic audio tape (brought from Germany after WW2)
1947 (December) - Transistor invented
1949 - First Vinyl 45 RPM ("singles") Record
1949 - Werner Jacobi makes the first "integrated circuit" made of 5 transistors
1950 - First consumer TV remote control (wired)
1953 - First standard color broadcast in US
1954 - First commercially manufactured Transistor Radio
1958 – Jack Kilby demonstrates the first Integrated Circuit.
1958 - Color Videotape Recorder
1959 - Planar Transistor Invented 
1960 - "Tiros 1" first Weather Satellite
1960 - Computer Airline Booking system (SABER)
1960 (May 16) - First Working Laser 
1960 - Echo 1 Communication Satellite
1960 - US "Discoverer" Spy Satellite operational 
1966 - Shakey the Robot 'runs into' its first wall
1974 - First Personal Computer 
1976 - Colossal Cave (text) Computer game created ( [] Play Here : https://playonline-games.com/colossal-cave-the-first-adventure/ )
1993 - Release of the "Doom" computer gamehttps://www.bing.com/search?q=doom+game+original
2001 - HAL 9000 Artificial Intelligence tries to kill a Jupiter-bound spacecraft's entire crew ( alternate future ).
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NOTE - Quantum Technology being shown in Infinite BS in 1893 to The World would likely significantly alter subsequent technological developments of these timelines. This would be no simple 'Butterfly Effect', but more of Infinite taking a huge steaming dump.
NOTE - Elizabeth's 'eliminating Comstocks' does not eliminate the Luteces which could still lad to other significant developments.
 
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