DDF
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Posts posted by DDF
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6 hours ago, Jody Kruskal said:
A word or two of explanation: I saw the picture of the concertina springs image years ago. It was published here on C.net. I thought it interesting and downloaded it to my photo library where it sat by it self, all alone. for a long time.
I sometimes thought about that spring photo, but could not find a context for this mysterious graphic.
Then I started to put two and two together and came up with this idea of two unrelated images where the viewer could bounce between them to make a sum greater than the two on their own.
So, many thanks for indulging me. Please do add to the concept with concertina images of your own that mangle relationships and comment on each other in interesting ways.
But more important, keep squeezing!
Ah, I remember those pesky springs in a Jeffries i bought.Here's a contribution.
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Looks like damp air is making the inside of the cover expand at a greater rate than the outside which is probably film coated.
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I didn't measure the thickness under the clamps this would be the place to find the original thickness.I would guess they started with two or maybe three gauges of steel before working the tongues .In the Wheatstone workshop film it shows them surface grinding the uncut tongues so I guess they would have have a gauge near to finished size before profiling. The final filing goes right up to the clamps which probably explains the variation in the measurements at Point"1". Regards David.
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On 8/13/2022 at 3:41 PM, David Lay said:
It seems concertina designers either learn their craft be working with someone who knows (a Master) or by research and experimentation. (Wouldn't a design manual be nice!) I would like to better understand reed design. For any reed tone, there are several aspects that can be adjusted including reed length, width, initial thickness, metallurgy, and lastly - filed variations in thickness. Assume one has the frame gap and potential air leaks all resolved. What reed dimensions would one start with for a very responsive C in each octave? (C3, C4, C5, C6). I expect a larger but thicker reed may be capable of sounding at a desired high pitch, but that it would be "stubborn" to start and muted. Could one make a "stubborn" reed more responsive by filing?
This may or may not be of interest.These are metric measurements from the reeds in my 1917 Wheatstone Linota.
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Snap, Many years ago some friends were coming to visit and picked this up in a charity shop en route. They thought it would be a bit of fun. It is in much worse condition than yours but as mine was was double reeded I hung on to it and it has been "a bit of fun". Regards David.
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Ross also sold metronomes.
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"German silver"/ nickel silver.
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14 hours ago, Chris Ghent said:
As Paul says, if the current ever runs the other way people can change them back.
The reeds define a concertina and the biggest drawback of using the reeds from a Lachenal duet is they are very unlikely to be very good. After a lot of work you will have a poor anglo.
I converted an old 39 lachenal McCann and it is very true that it is only as good as its reeds which were rather average.
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You'll find loads of ozone generators/air purifiers on ebay they are pretty cheap as they are quite simple to make. Regards David.
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This guys channel is well worth looking through,sorry if its been on here before.David.
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Have you ever opened up a concertina and wondered how on earth it came to be full of black dust and muck .The answer might be it was this one mentioned by Walter Wilkinson in his 1927 book The Peep Show."By their conversation they were in a gloomy state of mind and they reminded me of a man I once met who always relieved his low spirits by locking himself in a dark coal cellar and playing a concertina for an hour or two".
Walter Wilkinson's 8 books documenting his travels with his puppet show can still be picked up, are all very enjoyable .David.
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I think the detector works by induction, it does sense aluminium powder and gold metal.
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That reminded me of something that has been on a shelf in the workshop for years.I just dug it out and took a picture I bought it thinking it was gold but when you put a metal detector/stud detector over it it doesn't register.I just put some in a drop of nitric acid and nothing happened so I guess its mica or goodness knows what.I think it was the box it came in mislead me originally.
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Try popping it on your kitchen scales then if you depress the key it will show you the pressure you are exerting.
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On 1/2/2020 at 9:58 PM, SteveS said:
I'm intrigued by these reeds.
Bill, or anyone else here, do you have any practical experience with these reeds?
How do they sound, especially compared to traditional concertina reeds?
Do they have a more accordion sound to them perhaps?
I found the response to be ok but overall the sound of them is a bit disappointing.A little weak and breathy. I would say they are equivalent to a very average set of Lachenal reeds and the sound to be somewhere between accordian and traditional reeds.
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On 12/28/2019 at 7:29 AM, alex_holden said:
A client told me they have a Dipper instrument with ebony buttons. I've made a couple with boxwood buttons (not as hard as LV but it is very dense). Unfortunately true LV is now endangered and difficult to obtain. I have an antique wooden mallet with a LV head, but any time I use it I feel guilty about using such a rare wood to bash things!
If you fancy trying some there is actually a plentiful supply of LV in old abused crown green bowling balls they used to be about a fiver a piece .A challenging recycling project for sure.
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21 hours ago, Richard Mellish said:
I'm wondering how the pads are joined to the levers. They appear to be integral, without the flexibility that a conventional concertina has at that point, and therefore relying entirely on the elasticity of the material on the side facing the action plate.
It says somewhere they are attached with a small firm ball joint on the lever ends and they seal very well. David.
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Here you go,not mine by the way .David
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Hello,I think you'll find those are two different instruments in your stills.My guess for the one use in the video would be a Wheatstone with wooden ends and nickel buttons? David.
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If you need 1 mm these people supply small quantities.
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Superb.I expect you familiar with this one but it always worth another watch.
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3 hours ago, welsh boi said:
I have tried to post pics but I get a message saying only up to 3.91mb
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1 hour ago, Robin Harrison said:
Can't easily get it in Canada either................but I'm curious to know about Roger Thomas.
The name is not familiar to me as a concertina repair person.
Robin
Google shows this.
http://www.jollyrogeraccordions.co.uk/
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This should help clear up the name pronunciation and is a delightful watch as well. David.
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Concertina Juxtapositions
in General Concertina Discussion
Posted
On a walk near my home in Dorset uk