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Dear readers, This is my first post. I hope we will get know one another and with your co-operation we will trade the pleasure of learning for the satisfaction of sharing one's knowledge. To illustrate my story I have added some pictures below. You can see some basic tools, a partly disassembled antique 19 lignes (42.8 diameter) lever movement and the removed parts. I had never disassembled a movement before and this one seemed like the perfect candidate to experiment, but now that I have learnt to assemble/disassemble this movement, I want to fix it. After all, we are talking of a fully jewelled movement from a century ago. On close inspection several issues are revealed: broken mainspring, broken balance staff... ...and missing roller jewel. I have not been able to identify the maker, but the dial and the case (935 silver) confirm it is Swiss. The balance cock bears a factory symbol consisting of a five-pointed star connected to three lightning bolts that come out the star each in a different direction. I am aware that getting spare parts is going to be hard work, but I want to learn to solve these issues. I have measured the broken mainspring with a Vernier caliper but I cannot find a replacement in Cousinuk.com. Perhaps someone could check for me in the Générale Ressorts catalogue? These are its specifications: Height: 2.2 mm. Thickness: 0.22 mm. Length: 24 inch (61 cm). Barrel: 16.5 mm. End hole type. Any advice, guidance, comments, support, contributions, collaboration will be greatly appreciated. I will be watching this space!