or projection on the arma. The cam has a handle for convenience in operat- tion of track it is passing from, and setting to danger ing it, and the bars slide freely one upon the other casing releases the spring catch, causing the pin-carry- the signal at the farther end of the block the train is… … with Savey ; but little was known of has been patented by Mr. Augustine La Point, of Wes- this gentleman except his invention. sington Springs, Dakota Ter. The cabinet hasa lower When James Watt’s beam engine was PETERSON’S BLOCK SIGNAL. compartment with a glass door, adapted to receive and…
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