[78-L] Playing a broken 78

[Ron L'Herault]

I'd use waxed paper rather than foil (aluminium?). Carpenter's wood glue is
an alternative to the white glue and would be stronger.  It's important that
the disk is flat and that you don't move it around much to line up the
pieces.  If you rub them together you can make little chips in the shellac.
If you have access to a steel needle gramophone, play it once on that to
clean out the grooves.

Ron L

-----Original Message-----
From: 78-l-bounces at klickitat.78online.com
[mailto:78-l-bounces at klickitat.78online.com] On Behalf Of Doug Duncan
Sent: Tuesday, April 07, 2020 8:03 AM
To: 78-L Mail List
Subject: [78-L] Playing a broken 78


Since I'm ever so locked down at present I was sorting and correcting 
the database of records that I have and trying to remove duplicates 
entries and so on.

Sadly, I encountered a small number (so far) of discs that have broken 
in the storage box they were in. Some are likely to be replaceable. Some 
will not be missed. One I would like to replace but in the mean time I 
plan to try and glue it back together so that I can record it and clean 
up the recording with Audacity. The subject is a Muddy Waters Chess disc 
'Don't Go No Farther' bw 'Diamonds At Your Feet'.

I've never tried this before. I see from posts of long ago that Elmers 
Glue is the preferred material. I've never seen that but I'm taking it 
to be a white craft glue and I'll manage to find something similar.

There are , however, a number of questions about technique. Do you coat 
the whole of the edge? Or just the ends. There would seem to be a risk 
that the glue will fill the groove to some degree particularly where the 
break is actually along the arc as is the case here. Do you wash off the 
excess? When you play it are you planning to dig out the remaining 
excess with the stylus? Is it better to do that before it has fully 
hardened?

What risk is there that the repaired disc will damage the stylus? Shall 
I use a semi disposable microgroove stylus first?

One exponent on you tube stated that what you should do is lay it up on 
cooking foil so that the disc doesn't stick. Is that a sensible thing or 
an old wives tale?

If anyone can provide an insight I'll be most grateful.

Best Regards,

Doug

-- 
Doug Duncan


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