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SEMBRADORA
JETHRO TULL - 1701 The seeder is an agricultural tool designed to sow and fertilize the land, which is used in the world with all kinds of seeds. It was re-invented in 1702 by farmer Jethro Tull. -
TERMÓMETRO DE MERCURIO
DANIEL GABRIEL FAHRENHEIT - 1714 Around the year 1714 it was Daniel Gabriel Fahrenheit who created the bulb mercury thermometer, formed by a glass capillary of uniform diameter communicated at its end with an ampoule filled with mercury. The whole is sealed and when the temperature rises, the mercury expands and rises through the capillary. -
PRENSA HIDRÁULICA
JOSEPH BRAMAH - 1796 Joseph Bramah's hydraulic press in 1779. The hydraulic press is a mechanism formed by communicating vessels driven by pistons from different areas that, by means of a small force on the piston of smaller area, allows to obtain a greater force in the piston of greater area. Pistons are called water pistons because they are... -
LENTE BIFOCAL
BENJAMIN FRANKLIN - 1780 Benjamin Franklin built the first bifocal lenses in 1784, and in 1827, British astronomer George Airy corrected astigmatism. The pioneer of eye surgery was the Spaniard José Barraquer, since he made the first microkeratoma, vision correction by cutting a piece of the cornea, in 1960. -
TELAR MECÁNICO
EDMUND CARTWRIGHT - 1785 A mechanical loom is a mechanized loom system driven by a drive shaft. The mechanical loom was the result of the evolution of the manual loom, using a mechanical unit to connect and synchronize all mechanisms. -
BARCO DE VAPOR
JOHN FITCH - 1787 Later in 1803, it would be Robert Fulton who in the Seine River (Paris) launched again a large steamboat, being the first entrepreneur who patented the steamboat as such for commercial use. In 1787, and before a group of delegates to the Constitutional Convention, he successfully tested a steamboat of 14 m... -
MÁQUINA DE COSER
THOMAS SAINT - 1790 The inventor of the sewing machine is the French tailor Bartolomé Thimonnier, who in 1830, built the first sewing machines in the city of Saint-Étiene (France). It is a mystery that it took so long to appear an ingenuity like this, since it did not do so until the first third of the nineteenth century in France. -
GAS DE ALUMBRADO
WILLIAM MURDOCK - 1792 In 1784, the Belgian Jean-Pierre Minkelers installed gas lighting in the classrooms of the University of Leuven. Then, in 1786, the German Johann Georg Pickel made the same installation in his pharmaceutical research laboratory. First gas lighting The first time efficient use of gas lighting dates back to 1792. -
LÁPIZ
NICOLAS-JACQUES CONTÉ - 1795 During the Middle Ages paper was marked with ink using a kind of brush called penicillum = brush, style. The pencil was not used before the sixteenth century for the powerful reason that it had not yet been invented. One of the first to do so was the German painter and engraver Albrecht Dürer (German: Albrecht Dürer) in the first third of the sixteenth century. It was a bar of lead and a certain tin alloy called silver tip, whose mark was erased with bread crumbs. -
VACUNA CONTRA LA VIRUELA
EDWARD JENNER - 1798 In the eighteenth century, an English rural doctor named Edward Jenner created a method to prevent smallpox that saved millions of lives. Doctor Jean Louis Alibert vaccinates a child in the footsteps of Edward Jenner. Oil by Constant Desbordes. 1820. You are one click away from learning history better than anyone.