The application of electricity to railway working (1897)
Langdon, William Edward, 1832-1905 · London : Spon · leaf 189
82. FIG. 83. spring h. d on being pressed down causes / to move for-ward into the dotted position, and in doing so to lift thelocking part I, which, in its turn, operates H so far as to causeit to engage with the catch piece P of the armature of thesmall coils m. To the end of the shaft A is fixed,…
Railroads -- Equipment and supplies · Electric apparatus and appliances
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-260-108.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-165-135.webp)
