DDF

Try popping it on your kitchen scales then if you depress the key it will show you the pressure you are exerting.

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.

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. https://www.ebay.co.uk/itm/Crown-Green-Bowls-pair-Woods/333447314592?hash=item4da3023ca0:g:DQEAAOSw0-5d~sHe

It says somewhere they are attached with a small firm ball joint on the lever ends and they seal very well. David.

Here you go,not mine by the way .David https://www.ebay.co.uk/itm/153674196603

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.

If you need 1 mm these people supply small quantities. https://www.windplus.net/supplies/woven_felt_sheet.html

Superb.I expect you familiar with this one but it always worth another watch.

https://www.ebay.co.uk/itm/Louis-Lachenal-48-button-Concertina-/323799467736?hash=item4b63f3c6d8%3Ag%3A3qkAAOSwCgFc0GIQ&nma=true&si=EdVRvo%2ByNd1FfqJ2I5y0C1qYE6I%3D&orig_cvip=true&nordt=true&rt=nc&_trksid=p2047675.l2557

Google shows this. http://www.jollyrogeraccordions.co.uk/

This should help clear up the name pronunciation and is a delightful watch as well. David.

I have 9008 Geoff kindly told me it was made by H T Crabb in 1927. David.

It opened ok for me @9.25 am,thank you.

I just measured the card in a 12 sided Lachenal bellows from around 1910 and they are 1".David.

I did a bit of reed cleaning and resetting today.I resisted the temptation to bring them back up a few cents to be bang on, as it would be very difficult to replace them if anything went wrong. I also made a new o ring to go under the lid so alls well and harmonious in the tea department.