1: piat : control of the front derailleur and rear brake via pulleys. rear rack with protection for the cantilever brakes. seatstay braze-ons for carrying replacement spokes.
2-3: longoni : quick release system for brakes in working position, and in position for removal of the rear wheel.
4: hugonnier - routens : lengthened stem to support the handlebar bag, on the winning tandem of Paris-Brest-Paris; note the two brackets for a flashlight.
5 : ferdinand : drum brake mount formed by a reinforced wire bracket between the seat- and chainstays.
6 : liberia : clb brake cable stop forming a guide for the cables.
7: liberia : original design for the rear of a mixte frame, with hanger for cyclo derailleur.
8: marcadier : cantilever brake whose shoes can be raised instanteously for wheel replacement, and which automatically reposition themselves at the first application of the brake lever.
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