A
bicycle frame is supported by a wooden stand, from the front of which two
uprights ascend and carry a desk and cross piece, which provide for the
attachment, directly in front of the subject of the tension balances and other
pieces in front of the subject, of the tension balance and other pieces of
apparatus. A cast iron wheel of 5 ½ feet in circumference, weighing 22 kilos
and mounted on ba.
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