Logging; the principles and general methods of operation in the United States . Fig. 65. — A Whippoorwill Switch used for throwing Logs from a Slide. The lower part of the shde ends at a landing, where the gradeshould be level or sHghtly ascending to check the speed of thelogs. When the log strikes the switch it is shunted off. Whenit is desired to send logs past a given dump the upper end of theswitch is removed and placed across the depression on the slidetimber and fastened by two heavy

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Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcet, bookyear1913