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Amplification Collection

"Amplification: Unleashing the Power of Sound" From the humble vibrations of a guitar string to the revolutionary electronic valves

Background imageAmplification Collection: Guitar string vibrating

Guitar string vibrating. When plucked, the string vibrates at a specific frequency, which determines the pitch of the note

Background imageAmplification Collection: Early electronic valve, diagram

Early electronic valve, diagram
Audion amplifier. Diagram of an Audion triode valve that was the first amplifier. It was invented by Lee De Forest in 1907

Background imageAmplification Collection: Lee De Forest, US radio pioneer

Lee De Forest, US radio pioneer
Lee De Forest (1873-1961), American radio pioneer, holding the triode valve, or Audion tube, that he invented. De Forest studied at Yale, gaining his doctorate with a thesis on radio waves

Background imageAmplification Collection: Using a string telephone, 1878

Using a string telephone, 1878
3479291 Using a string telephone, 1878; (add.info.: A male and female are shown holding, and using a string telephone. Dated 1878)

Background imageAmplification Collection: Using a string telephone, 1883

Using a string telephone, 1883
3479296 Using a string telephone, 1883; (add.info.: A male and female are shown holding, and using a string telephone - amusing children, dated 1883.); Universal History Archive/UIG.

Background imageAmplification Collection: Le Porte-Voix (engraving)

Le Porte-Voix (engraving)
2808392 Le Porte-Voix (engraving) by French School, (19th century); Private Collection; (add.info.: Le Porte-Voix. Illustration for Nos Vraies Conquetes by Albert Levy (Hachette)

Background imageAmplification Collection: Le Megaphone de M Edison (engraving)

Le Megaphone de M Edison (engraving)
2793047 Le Megaphone de M Edison (engraving) by French School, (19th century); Private Collection; (add.info.: Le Megaphone de M Edison. Illustration for La Nature (G Masson, 1878)

Background imageAmplification Collection: French soldier with an acoustic listening device capable of tracking aeroplanes

French soldier with an acoustic listening device capable of tracking aeroplanes
GBW466692 French soldier with an acoustic listening device capable of tracking aeroplanes, in preparation for anti-aircraft artillery, France, c.1916-18 (autochrome) by French Photographer

Background imageAmplification Collection: Overcoming the difficulties of serenading in New York City (litho)

Overcoming the difficulties of serenading in New York City (litho)
1090750 Overcoming the difficulties of serenading in New York City (litho) by Robinson, William Heath (1872-1944); Private Collection; (add.info)

Background imageAmplification Collection: Resonator guitar

Resonator guitar
Close-up of a resonator guitar

Background imageAmplification Collection: Advertisement for a Music Shop in Vienna, Austria

Advertisement for a Music Shop in Vienna, Austria showing a very jovial woman (the reason for her joviality raised in her right hand!)

Background imageAmplification Collection: Crane with gears C017 / 3479

Crane with gears C017 / 3479
Plate from 18th century encyclopedia showing an illustration of a hand cranked crane showing a system of gears. When two gears of unequal number of teeth are combined

Background imageAmplification Collection: Crane with gears C017 / 3467

Crane with gears C017 / 3467
Plate from 18th century encyclopedia showing an illustration of a hand cranked crane showing a system of gears. When two gears of unequal number of teeth are combined

Background imageAmplification Collection: Genetic analysis, pre-PCR workstation C019 / 0294

Genetic analysis, pre-PCR workstation C019 / 0294
MODEL RELEASED. Genetic analysis. Analyst in a genetics laboratory preparing samples at a pre-PCR (pre-polymerase chain reaction) workstation

Background imageAmplification Collection: Genetic analysis, pre-PCR workstation C019 / 0295

Genetic analysis, pre-PCR workstation C019 / 0295
MODEL RELEASED. Genetic analysis. Analyst in a genetics laboratory preparing samples at a pre-PCR (pre-polymerase chain reaction) workstation

Background imageAmplification Collection: Genetic analysis, pre-PCR workstation C019 / 0293

Genetic analysis, pre-PCR workstation C019 / 0293
MODEL RELEASED. Genetic analysis. Analyst in a genetics laboratory preparing samples at a pre-PCR (pre-polymerase chain reaction) workstation

Background imageAmplification Collection: Microphone use

Microphone use. Man speaking or singing into a hand-held microphone

Background imageAmplification Collection: Microphone

Microphone

Background imageAmplification Collection: Woman listening

Woman listening, with a hand cupped to her ear

Background imageAmplification Collection: Forensic DNA analysis

Forensic DNA analysis
MODEL RELEASED. Forensic DNA analysis. Forensic scientist holding a vial containing DNA amplified from a trace amount found at a crime scene. The DNA is the cloudy strand at the base of the vial

Background imageAmplification Collection: Geneticist

Geneticist
MODEL RELEASED. Geneticist examining the results of a polymerase chain reaction (PCR) cycle. This technique is used to amplify minute amounts of deoxyribonucleic acid (DNA)

Background imageAmplification Collection: Taq polymerase replicating DNA

Taq polymerase replicating DNA, molecular model. The Taq polymerase is blue, the two strands of DNA are green, and the nucleotide bases are grey (carbon), pink (nitrogen)

Background imageAmplification Collection: Microphones

Microphones, mounted on stands

Background imageAmplification Collection: Loudspeaker apparatus, 19th century

Loudspeaker apparatus, 19th century
Loudspeaker apparatus, as constructed in the laboratory of the French physicist Henri Becquerel (1852-1908). This apparatus includes a Ruhmkorff coil (induction coil)


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"Amplification: Unleashing the Power of Sound" From the humble vibrations of a guitar string to the revolutionary electronic valves, it has transformed the way we experience sound. πŸŽΈπŸ”Š In an era long before modern technology, ingenious minds sought ways to enhance our auditory world. Le Porte-Voix and Le Megaphone de M Edison engravings stand as testaments to early attempts at amplifying voices, allowing them to reach far beyond their natural range. Even in times of war, innovation prevailed. A French soldier with an acoustic listening device capable of tracking aeroplanes showcases how amplification played a crucial role in surveillance and communication during challenging circumstances. The bustling streets of New York City posed unique challenges for musicians yearning to serenade their audiences. Overcoming these difficulties required creative solutions depicted in lithographs capturing artists using various forms to ensure their melodies reached every corner. Across borders and cultures, music shops like the one advertised in Vienna served as hubs where aspiring musicians could find instruments that would amplify their talents and dreams. Resonator guitars emerged as game-changers, harnessing resonance chambers to project rich tones that captivated listeners worldwide. Their distinctive design allowed players to achieve unparalleled volume and clarity on stage or around campfires under starlit skies. But it wasn't just about music; amplification found its place in other domains too. The intricate gears showcased on cranes symbolize how mechanical systems were amplified by engineering marvels – multiplying strength and efficiency for construction projects large and small. Advancements continued into scientific realms as well. Genetic analysis took a leap forward with pre-PCR workstations, enabling researchers to amplify DNA samples for detailed examination – unlocking secrets hidden within our very cells. Through centuries past until today, "amplification" remains synonymous with progress – pushing boundaries across disciplines from artistry and engineering to science itself. It embodies humanity's relentless pursuit of enhancing our world, both sonically and intellectually.