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I was recently in an antique store and found a Jack Powell Viewing Glass. It is a small, round, purple or blue piece of glass, one inch or so in diameter, in a black hard rubber frame with a string attached. The store owner didn't know what it was, and a Google search yielded only one hit; it seems it *might* be photography-related. Does anyone have any idea what this interesting little item is?
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Submitted By: mikeebean
Joined: May 22 2007
Posts:
Jack Powell Viewing Glass
Posted: July 8, 2009 - 7:24pm
Re: Jack Powell Viewing Glass
Posted: July 9, 2009 - 12:18am
If it is what I think and it is deep blue, it was used to evaluate a scene perceptually to obtain an impression of how the lighting will record on B&W motion picture film. Dark blue viewing glass monocles were used mostly in the motion picture industy.
Submitted By: mikeebean
Joined: May 22 2007
Posts:
Re: Jack Powell Viewing Glass
Posted: July 19, 2009 - 10:51pm
David- Sorry I didn't respond earlier, I've been on vacation. Thanks for the info! -Michael
Submitted By: mikeebean
Joined: May 22 2007
Posts:
Re: Jack Powell Viewing Glass
Posted: July 23, 2009 - 3:16pm
I have another question- what time period would these have been in popular use? I'm guessing 20's or 30's? It's so odd I can't find anything on Google! Such a shame!
Re: Jack Powell Viewing Glass
Posted: July 23, 2009 - 9:49pm
I think you will find some information at the following Google search page:
Submitted By: mikeebean
Joined: May 22 2007
Posts:
Re: Jack Powell Viewing Glass
Posted: July 31, 2009 - 11:31am
Ah, thank you! Search engines are such particular creatures in regards to wording. Thanks again, I found what I wanted to know!
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