Analysis of information sources in references of the Wikipedia article "Safety bicycle" in English language version.
In 1876, the British engineer Henry J. Lawson proposed a new rear-drive machine he called the Safety Bicycle.
...it not only prevailed as the universal bicycle style, it also triggered an unprecedented world-wide demand that culminated in the great boom.
Thomas thought that this could be improved upon, and in 1868 invented the firsty 'safety' bicycle ever produced
A better idea of the 'B.S.A.' Safety can be seen ... 32-inch driving wheel ... 20-inch steer
Thomas thought that this could be improved upon, and in 1868 invented the firsty 'safety' bicycle ever produced