The link goes to a fulltext and extensively illustrated manual from 1876, offering tips on how to get on and off the high-wheeled non-tandem bicycles, how to ride side-saddle, and how to ride without using the hands (or the hands and legs), supplemented by some useful training tips:
The daily use of the cold bath, or tepid if necessary, cannot be too strongly insisted upon; and also early rising and going to rest; and the avoidance of all rich viands, such as pork, veal, duck, salmon, pastry, &c., &c..."
Link, via.