Welch Scientific What is it?

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Welch Scientific What is it?

Patrick
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Posts: 365
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Joined: Oct 2014
City: Winter Haven, FL

#2

08-05-2018, 04:05 PM

Welch Scientific made supplies and instruments for teachers. So it looks like it might be a device used to explain what phase shift is. But I don't have a clue as to how it would be used.

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Welch Scientific What is it? - by vecher - 08-04-2018, 10:18 PM

RE: Welch Scientific What is it? - by Patrick - 08-05-2018, 04:05 PM

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