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Author Topic: cleaning advice, glass bead screen, mould
Mike Spice
Master Film Handler

Posts: 421
From: none of your business
Registered: Jun 2017


 - posted February 14, 2018 10:27 AM      Profile for Mike Spice     Send New Private Message       Edit/Delete Post 
Some months ago I tried to give away a projection screen.

Having been fortunate receieving a Sankyo sound projector recently, I shall be using the screen from the time as I hope to now buy some sound films, just one or two, for old times sake.

The screen has a few brown mould stains on it, not bad enough to ruin it, but enough to annoy.

Any tips for a safe way to try and clean them off would be appreciated. It seems to be a type of glass bead screen.

I will go and edit the screen in the for sale section to withdraw it.

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Clive Casey
Expert Film Handler

Posts: 112
From: Barrow-in-Furness, UK
Registered: Dec 2017


 - posted February 14, 2018 11:23 AM      Profile for Clive Casey   Email Clive Casey   Send New Private Message       Edit/Delete Post 
Hi Mike, From my past experience of glass beaded screens ( and I must admit it is a lot of years ago) you can't clean them. I hope some one knows better than me.
Goo luck

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Mike Spice
Master Film Handler

Posts: 421
From: none of your business
Registered: Jun 2017


 - posted February 14, 2018 11:27 AM      Profile for Mike Spice     Send New Private Message       Edit/Delete Post 
Yup, I think you are right, I might just try a very slightly damp cloth, and very lightly...
Fortunately it's not all over the screen, I have nothing to lose.
I have so far, thought better of using any 'products' on it.

But, as you say, someon emight know different.......

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Steve Klare
Film Guy

Posts: 7016
From: Long Island, NY, USA
Registered: Jun 2003


 - posted February 14, 2018 11:36 AM      Profile for Steve Klare   Email Steve Klare   Send New Private Message       Edit/Delete Post 
Back about ten years ago there was this epidemic of people putting movie screens out on garbage day: I grabbed a few of them. I even started putting the worst ones out in my own garbage as I found better ones.

One of the ones I got was glass beaded and it had yellowed quite a bit. People here recommended I bleach it by putting it outside in direct sunlight. (This was complicated: this screen came out of my neighbor's garbage!)

I can't promise this will help you, but it costs nothing to try.

Update!

I just got an E-mail from Steve Osborne!

quote:
Just take it outside and put it at an angle and slowly pour bleach over it.
(This sounds like a more active approach to me.)

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All I ask is a wide screen and a projector to light her by...

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Maurice Leakey
Film God

Posts: 5895
From: Bristol. United Kingdom
Registered: Oct 2007


 - posted February 14, 2018 12:28 PM      Profile for Maurice Leakey   Email Maurice Leakey   Send New Private Message       Edit/Delete Post 
It's true that glass beaded screens, one of the very best surfaces, do turn yellow with age.

A few years ago, on the death of a friend, I was given his movie equipment which included an expensive (in its day) Self-Recta beaded screen in a handsome wooden carry-case. It was very similar to one shown by Mike.

But the surface was yellow, no amount of cleaning improved it. So out it went in the trash.

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Maurice

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David Hardy
Jedi Master Film Handler

Posts: 955
From: Johnshaven Village , Montrose, Scotland
Registered: Jan 2015


 - posted February 14, 2018 04:19 PM      Profile for David Hardy   Email David Hardy   Send New Private Message       Edit/Delete Post 
I think its still worth trying to bleach it again via natural sunlight outdoors though. Nothing to lose everything to gain.
[Wink]

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" My equipment's more important than your rats. "

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Dominique De Bast
Film God

Posts: 4486
From: Brussels, Belgium
Registered: Jun 2013


 - posted February 14, 2018 04:38 PM      Profile for Dominique De Bast   Email Dominique De Bast   Send New Private Message       Edit/Delete Post 
Has anyone tried this ?

https://image.jimcdn.com/app/cms/image/transf/none/path/sda0c94d89b4b9f1b/image/ib7ef3c939d680ba2/version/1460217446/image.jpg

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Dominique

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