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Scientific American, Vol. 84, No. 9 (March 1901) (1901)

leaf 15

An illustration from Scientific American, Vol. 84, No. 9 (March 1901), 1901, leaf 15
ngs inside theBERKEY SpringSeatPost Ball Bearing^ Like the Bicycle.It removes the objection physiciansraised to cycling It overcomes jarringand vibration. It doubles the delightof cycling for pleasure and makes thewheel more valuable for business.Fits any bicycle, new or old. Inquireof dealer or… … H901 SCIENTIFIC AMERICAN, INC.

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