| 11. | Complete schlieren optical systems can be built from components, or bought as commercially available instruments.
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| 12. | There are 6262 households in Schlieren.
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| 13. | There were 5481 Protestants in Schlieren.
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| 14. | The design is also called the Schlieren design based on the location of the Swiss company.
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| 15. | Its head office was in Bern, and it had an eastern Switzerland office in Schlieren.
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| 16. | Schlieren physics developed out of the need to produce high-quality lenses devoid of these inhomogeneities.
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| 17. | The method excels in spatial and temporal resolution comparably with a similar approach of laser schlieren deflectometry.
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| 18. | He became the first person to observe a shock wave propagating over an airfoil using Schlieren photography.
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| 19. | The 20 km journey took 45 minutes with the trains stopping at Altstetten, Schlieren and Dietikon.
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| 20. | One station was equipped for Schlieren spark photography to record the shock waves and wake around the projectile.
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