How To Identify Crystal Doorknobs
All the rage in the first 30 years of the 20th century, molded glass and cut-glass crystal doorknobs can be tricky to identify.
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Instructions For A Galileo Thermometer
Galileo thermometers might look quaint, with their colorful balls of liquid, and they're often decorative pieces. But you can read them, and this is how.
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What Is A Condensing Unit?
Condensing units are an important component used across many different industries, as well as in normal, everyday life. Here's how the technology works.
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How To Convert Hertz To Motor Rpm
You might find frequencies given in terms of hertz, but when it comes to cars, rpm might be a more helpful unit. Here's how you can convert between them.
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How To Convert HP To KVA
Horsepower is an important unit when it comes to the power that something can output, but in case you want to see that figure in kVA, here's how to do that.
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