This is a link to an old British Pathe short film of the workshops of the Amsterdam silversmiths 'Helweg & Zoon' that was made in 1965.
You will need 'Adobe Flash 10' to view this short film, no sound I'm afraid.
If you do not have this application just follow the prompts to download.
https://www.britishpathe.com/record.php?id=70392
Trev.
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