The Allegheny Portage Railroad operated from 1834 to 1854. There were many changes that occured during those twenty years. Here is a list of some interesting inventions and cultural happenings of the period.
Braille, a system of raised print for the blind, is developed by French teacher Louis Braille.
Charles Darwin visits the Galapos Islands.
French chemist C.S.A. Thilarier creates dry ice.
By use of a microscope, yeast is found to be a living organism.
Emerson publishes his first book, Nature.
Samuel Colt develops the Colt 6-shooter revolver.
Samuel Morse develops a magnetic telegraph and Morse Code.
British physicist Michael Faraday discovers a phosphoresent glow produced by electric discharge in a low-pressure gas.
French inventor Louis Daguerre introduces a commercially viable photographic process.
The first full fledged bicycle is made in Scotland.
German-Swiss chemist Christian Schonbein discovers ozone.
Scottish missionary David Livingstone is the first Westerner to explore the Kalahari Desert.
Dorothea Dix begins campaign to reform care of mentally ill and poor.
Austrian physicist Christian Doppler discovers the Doppler Effect.
US shop apprentice Elias Howe, Jr, invents the interlocking stitch sewing machine.
Henry Wells begins an express delivery company- eventually Wells, Fargo, and Company.
Dickens publishes A Christmas Carol.
American dentist Claudius Ash originated the single porcelain tooth.
First sighting of planet Neptune.
Edward Lear publishes Book of Nonsense, limericks for children.
Italian chemist Ascanion Sobrero first produces the explosive nitroglycerin.
Ebenezer Butterick invents process for cutting dressmaker patterns.
William Thomson, Lord Kelvin, creates the Kelvin temperature scale.
Hungarian composer Franz Liszt
Elizabeth Blackwell, America’s first female physician graduates from Geneva College of Medicine, NY
The safety pin is patented by Walter Hunt.
Epidemiology, the study of causes, distribution, and control of disease becomes a branch of medical science.
EB Browning publishes Songs from the Portuguese.
Nathanial Hawthorne publishes The Scarlet Letter.
German surgeon Helmholtz invents the ophthalmoscope to examine the interior of the eye.
The NY Times is first published.
French physicist Jean Foucault invents the gyroscope.
Otis patents the elevator.
British George Cayley flies the first successful manned glider.
Swedish Lundstrom patents the safety match.
Steinway pianos begin production.
Florence Nightingale founds modern nursing in Constantinople administering to sick and injured Crimean War soldiers.
Tennyson’s “Charge of the Light Brigade” is published.
Thoreau’s Walden is published.