Adhesives question

Don't know what they would have used at the time, but I would probably go for something like UHU or Bostick clear.

Regards, Tony

You could try spray adhesive or Evostik... if you apply in a closed room you won't care about the results!!!

For a stronger bond, Araldite...

I suspect shellac. Chances are they'd have needed a glue that allowed for some repositioning of the card once it was in place, and shellac is used in my trade to stick pads ( with card backs ) into instrument key cups ( made of brass, typically ). There are two ways of using it; either as a 'hot melt' glue, whereby the brass and the shellac are heated - and the card applied to the molten film of shellac; or as in a solvent, whereby the shellac is dissolved in meths ( aka French Polish ). Takes a bit of practice to get the mix right though - you'd need to experiment before you committed your card scale to it!

The advantage of using shellac is that, with the aid of a simple press or some weights, you'll get a nice flat joint. If you use a contact adhesive you might not quite get the card flat on the brass.

Are there any residues left on the back of the card? If it looks brown/orange then it's a fair bet they used shellac in the first place.

Regards,

I have used spray-mount adhesive in the past for card type clock dials either onto brass or steel dial pans and have had no problems. It sticks, it's thin and it's even and easily applied - what more could one want!

Mark

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