Can you help to identify these frames, bikes or parts?

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kjlem

From what time did they start using front derailleur braze on clamps? Trying to figure out how old a frame is and thought that might say something...

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Scilly.Suffolk in reply to @kjlem

A quick look, finds braze-on derailleurs in mid-Eighties catalogues of Campagnolo and Shimano.

What other braze-on fittings are there?

Is the routing over or under the BB and chainstay?

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Colin_the_Bald in reply to @Scilly.Suffolk

Could even be slightly earlier, '82 Gios has braze-on, the earliest I have seen (have been too lazy to check other makes).

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