Originally Posted by
dweenk
Since Huret was a major supplier of Schwinn deraileurs at that time it seems reasonable to assume that the maker of other small parts was French. Could it be ALGI Industrie, 74950, SCIONZIER, AUVERGNE-RHONE-ALPES France?
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thank you for this suggestion
ALGI binder bolts exhibit concave rather than convex heads and are without marking
herewith a few examples -

[MILREMO marked Philippe]
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and when one gets back far enough into the interwar period their heads were flat -
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