The 3-speed, 1/8" x 1/2" freewheel that came on my Hirondelle had no markings.
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To my surprise, it is shown on page 46 of "The Data Book".
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The notches on mine sheered off upon removal.
If anyone has a spare, please let me know ... I'd like to get this bike back on the road.
Amir Avitzur
R"G Israel