in the drama of progress. The hu- )r man race learns not only by triumph but also by d disappointment. We even have a standard phrase )f for it—trial and error. Lincoln himself urged d that scientists ought to publish their failures as n well as their successful experiments. Toooften, d he said, we… … LINCOLN WAGON J/n^ t^ ^^^^d out bij Abe Lincoln about 1850. rhe front u^hee/s move but not on the axle If-is theforerunner of modern automobi/e construction where/nthe same principle is embodied. oSearch of the patent office reveals no application forpatent ivas ever filed. Trom Hie CollecHon of…
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-987-633.webp)
