Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 729
A FOREST RANGRR USING A HELIOGRAPH TO SIGNAL TO OTHER LOOKOUT STATIONS. This instrument is used where telephone connection is lacking. they hurry by the nearest trail to reach it, takingwith them horses or mules carrying the fire-fight-ing equipment of axes, spades for shoveling dirt,portable… … TELEPHONING THE LOCATION OF A FIRE FROM AFOREST SIGNAL STATION. devices invented by the service and placed in eachstation, which is also provided with sacks, canvasbuckets, and canvas water-basfs. These water- I9I4] NATURE AND SCIENCE FOR YOUNG FOLKS 1135 bags hold about twenty gallons each, and…
Children's literature
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