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1945 Gas Furnace |
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| A chemical engineering student is using an optical pyrometer to measure the temperature in this gas furnace in the chemical engineering laboratory. This image is taken from the 1941 movie, "Days In College." | |
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|
1945 Gas Furnace |
|
|
|
| A chemical engineering student is using an optical pyrometer to measure the temperature in this gas furnace in the chemical engineering laboratory. This image is taken from the 1941 movie, "Days In College." | |