Au improved ap partem for detecting the absence or negligence of watchmen tntl other employes. ... Dated January 10, 187L This relates to furnishing a supply of steam to the cylinders by an additional pipe aud branches; the steam ... A distant lever tappet is connected by a wire with a gong In the signal-mana#39;s box, so that an engine when passing the tappet will act .... This relates to an apparatus which consists of a thin sheet of metal, upon the surface of which Is mounted a diagram.
|Title||:||The Mechanics' Magazine and Journal of Science, Arts, and Manufactures|