Sorry, I do not have a close-up on this Simplex lever, but it polished up better than I had anticipated and the tension adjustment knob seems a bit unique to me:
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Larry:1958 Drysdale, 1961 Gitane Gran Sport, 1974 Zeus track, 1988 Masi Gran Corsa, 1974 Falcon, 1980 Palo Alto, 1973 Raleigh Gran Sport, 1974 Legnano. Susan: 1976 Windsor Profesional.