Our illustration shows very clearly manageability of the cars. Conservative figures sup- operations. plied by the Waddell-Entz Company give an expense the methods and appliances. One set of batteries is Of course, the battery is the main feature, and of a seen in mid-air suspended from the electric… … the metallic zine, while the hydrogen, ineasure abandoned ‘he administra- THE WADDELL-ENTZ STORAGE BATTERY. going to the other pole, produces the tion of internal remedies, depending oxide of copper which has been formed mostly on hygienic measures and exer- being taken away for charging. there in…
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-106-45.webp)
