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Frensel Lens
A LENS DESIGN THAT ALLOWS THE CONSTRUCTION OF LENSES WITH A LARGE OPENING AND A SHORT FOCAL DISTANCE WITHOUT THE WEIGHT AND VOLUME OF MATERIAL THAT YOU SHOULD USE IN A CONVENTIONAL DESIGN LENS. -
Antonio meucci-phone
ANTONIO MEUCCI BUILT A PHONE TO CONNECT HIS OFFICE WITH HIS BEDROOM, LOCATED ON THE SECOND FLOOR. THESE MATERIALS FELL INTO THE HANDS OF ALEXANDER GRAHAM BELL. OF SCOTLAND ORIGIN ALEXANDER GRAHAM BELL BUILT AND PATENTED A FEW HOURS BEFORE HIS COMPANION ELISHA GRAY THE FIRST TELEPHONE CAPABLE OF TRANSMITTING AND RECEIVING HUMAN VOICE WITH ALL ITS QUALITY AND RING -
Pasteurization Method
GERMAN CHEMIST JUSTUS VON LIEBIG, INSISTED THAT FERMENTATION WAS A CHEMICAL PROCESS AND THAT IT DID NOT REQUIRE THE INTERVENTION OF ANY BODY. WITH THE HELP OF A MICROSCOPE, PASTEUR DISCOVERED THAT, IN REALITY, TWO ORGANISMS - TWO VARIETIES OF YEAST - WERE THE KEY TO THE PROCESS. ONE PRODUCED ALCOHOL AND THE OTHER, LACTIC ACID, WHICH MADE THE WINE SOUR -
Clinical Thermometer
BEFORE THIS INVENTION PATIENTS HAD TO HOLD A THERMOMETER IN THEIR HANDS FOR ABOUT ONE HOUR FOR AN ACCEPTABLE MEASUREMENT OF THEIR FEVER. -
Writing machine
THE FIRST INDUSTRIAL MODEL MANUFACTURED IN 1873 BY REMINGTON , WAS MOUNTED ON A STANDARD SEWING MACHINE.THE BACKWARD MOVEMENT OF THE CAR WAS ACHIEVED BY OPERATING A PEDAL SIMILAR TO ONE OF THESE.IN THIS MODEL, TWO IMPORTANT DEFECTS REMAINED TO BE SOLVED:THE WRITING WAS DONE ONLY IN CAPITAL LETTERS AND THE REMAINED HIDDEN FROM THE CLERK;IN ADDITION, THE MACHINE WAS OF AN EXCESSIVE AND EMBARRASSING SIZE, BEING ON THE OTHER HAND A VERY HIGH COST,S O IT WAS NEVER LAUCHED ON THE MARKET -
Praxinoscopio
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Invention of the Phonograph
THE PHONOGRAPH USES A MECHANICAL ANALOGUE RECORDING SYSTEM IN WHICH THE SOUND WAVES ARE TRANSFORMED INTO MECHANICAL VIBRATIONS BY MEANS OF AN ACOUSTIC-MECHANICAL TRANSDUCER -
Gramophone
DESPITE BEING THE FIRST TO RECORD, IT WAS VERY LIMITED, BECAUSE IT DIDN'T ALLOW TO MAKE A MASS PRODUCTION, AND THEREFORE THE MUSICIANS HAD TO REPEAT THE PIECE SEVERAL TIMES TO BE ABLE TO PRODUCE DIFFERENT EXEMPLES. THAT IS WHY TANTOFO IS SUCCESSFUL. . IT WAS LESS EXPENSIVE TO PRODUCE, IT HAD A SIMPLE MECHANISM, IT GATHERED ALL THE FEATURES OF ITS PREUSER AND IMPROVED THEM, BECAUSE IT FACILITATED MASS DUPLICATION FROM THE SAME MOLD. -
Cinematograph
1895 THE FIRST PUBLIC EXHIBITION OF THE CINEMATOGRAPH TAKEN PLACE.THE PROGRAM CONSISTED OF TEN FILMS OF 15 TO 20 METERS EACH WITH A TOTAL DURATION OF 20 MINUTES -
Aspirin
IT HAS BEEN USED SINCE IMMEMORIAL TIME FOR THE RELIEF OF FEVER AND PAIN, EVEN BY HIPPOCRATES IN THE FIFTH CENTURY BC
