Teacher Showing Pupils Spectroscope Optical Spectrometer
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Teacher Showing Pupils Spectroscope Optical Spectrometer
Teacher showing pupils a spectroscope. The four spectres are, top to bottom, sunlight, light from one of the stars, red neon light and blue mercury light, every chemical shows a characteristic set of black lines on its spectrum. From The Wonderland of Knowledge, published c.1930
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Media ID 31611727
© Hilary Morgan
20th Century Chemical Composition Invented Invention Materials Pupils Science Scientific Showing Spectrum Stars Teacher 1850 Analysis Black Lines Gustav Kirchhoff Identify Robert Wilhelm Bunsen Spectroscope Spectroscopic Substances
EDITORS COMMENTS
In this vintage print, we are transported back to a classroom in the early 20th century. A knowledgeable teacher stands at the front, holding up a spectroscope while surrounded by eager pupils. The spectroscope, an invention dating back to 1850 by Gustav Kirchhoff and Robert Wilhelm Bunsen, revolutionized scientific analysis by allowing researchers to identify the chemical composition of substances through their unique spectra. The four distinct spectres showcased in this image capture our attention from top to bottom. At the very top lies sunlight, representing nature's own vibrant spectrum. Just below it is light from one of the stars, reminding us of the vastness and mystery of our universe. Moving down further reveals red neon light and blue mercury light - both displaying characteristic sets of black lines on their spectra. This illustration serves as a testament to the wonders of spectroscopic analysis and its role in unraveling the secrets hidden within various materials. As these young minds absorb knowledge about science and discovery, they embark on a journey that will shape their understanding of the world around them. Preserved within archival records, this historical engraving offers us a glimpse into an era where education was celebrated through captivating visuals like this one. It reminds us that even though time may have passed since its creation, scientific exploration remains timeless and continues to inspire generations after generations.
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