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Early 20th Century blood pressure gauge
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Early 20th Century blood pressure gauge
Interior of Mars. Cutaway artwork showing internal layers within Mars. Mars is one of the rocky, terrestrial planets of the inner solar system, and as such is likely to have an interior similar to Earth s. Below the crust (top) is a layer of molten rock (light orange). At the centre of Mars will be a core layer (dark orange). Since Mars has no magnetic field, it is thought the Martian core is solid, unlike Earths liquid core. The surface of Mars has volcanic features, such as Olympus Mon (top), the largest volcano in the solar system. Mars is not thought to be volcanically active at present, but it was in the past. The radius of Mars (the height of the area shown here) is 3397 kilometres
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9224531
© GREGORY DAVIES/SCIENCE PHOTO LIBRARY
1900s 1920 Blood Pressure Device Diagnostic Gauge History Of Science Measurement Measuring Sphygmomanometer Vascular Circulatory System Cutouts
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EDITORS COMMENTS
This print takes us back to the early 20th century, showcasing a blood pressure gauge that was used in medical practices of the time. But this image goes beyond just a simple device; it offers an intriguing cutaway artwork revealing the internal layers within Mars, one of our neighboring planets. Mars, often referred to as the "Red Planet" shares similarities with Earth as both are rocky and terrestrial. Just like our planet, Mars is believed to have an interior consisting of various layers. Below its crust lies a layer of molten rock, depicted here in light orange hues. At the center of Mars rests its core layer, shown in dark orange tones. Unlike Earth's liquid core which generates a magnetic field protecting us from harmful solar radiation, Mars lacks such protection due to its presumed solid core. The surface features displayed on this print highlight volcanic formations like Olympus Mons - the largest volcano known in our entire solar system! Although currently inactive, evidence suggests that Mars had an active volcanic past. With meticulous attention to detail and historical accuracy, this print not only captures a piece of medical technology from the early 1900s but also provides valuable insights into planetary science and exploration. It serves as a reminder that scientific advancements continuously shape our understanding of both ourselves and distant worlds like Mars.
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