Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 68
umping-station, asks forwhatever additional pressure he wants. In mostcases this pressure is at the hydrants, and at hisdisposal, before he has time to hang up the re-ceiver and close the door of the telephone-box! Further investigation shows us an even moreinteresting detail, for we discover that… … A HIGH-PRESSURE HYDRANT IN SERVICE, WITH ANENGINEER (AT THE LEFT) IN CHARGE. on every line of hose can be regulated by anengineer, who is left in charge of each hydrantwhenever a fire is burning. This engineer, by 618 PRACTICAL MECHANICS FOR BOYS merely turning a valve on top of the hydrant,…
Children's literature
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