Through the microscope

Posts tagged ‘cleaning’

Cleaning the objectives

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I’ve been cleaning the outsides of the Cooke Troughton and Simms polarizing microscope objectives all day today while I’m waiting for the paint to dry on the stand. Not really difficult but time consuming. The outsides are filthy. It’s taking about 2 hours to do each one.

I have used about 100 cotton buds so far. I have to make sure I don’t get any polish on the lens. I’m quite good at nimble fingered stuff. I can get within about 2mm of the lens confidently.

Can you tell which ones I have cleaned? ha ha! Oh, and don’t worry, I haven’t stripped the paint off the 20X by accident. It didn’t have a painted band to start with.

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Microscope strip down

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Today’s project, more precisely, this week’s project. My Cooke Troughton and Simms polarizing microscope has been stripped down and cleaned. It was very grubby and covered in old grease, so much so that it was sticky to touch. Horrid.

I’ve had a go at restoration before with acceptable results. It’s a learning curve. Some things worked out better than others but I’m pretty certain I haven’t ever made anything worse.
I’m not confident enough to do anything to the insides of the tube yet. Just a quick poof of air with the air-poofer.

The CTS has been washed with vulpex soap, cleaned with Rennaissance pre-lim and it’s come up quite nicely. I have used a whole packet of cotton buds and dozens of lint free cloths and various bits have been degreased and regreased.

I had a bit of trouble with the coarse focus. The pin is slightly bent so I shall have to chat up my neighbour to get it straightened. He is quite handy with bits of metal, he can chat for England though so I need to allow at least two hours when I go round.

There was some kind of resin stuck fast to the feet. Initially, I thought there was rust and the paint had bubbled up but it was resin. I’ve sanded it down and now I need to repaint the sanded bits. Primer us on. I’ll paint before I go to bed.

This is the part I dread. I’ll paint and sand repeatedly and I still won’t be happy with the result. I think that’s where T-cut comes in.

I haven’t touched the optics yet. They won’t be too much trouble.

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