Issue 16 and Volume 38.

FIRE AND WATER ENGINEERING A correspondent in Kansas City, Mo., recently sent us a report of tests of wireless telegraphy, as applied to fire alarm systems, in which was described the successful sending of messages in a building 300 feet long. No matter what the result of these tests may have been, it seems highly improbable that the system is likely to court attention for use in municipal fire alarms. One reason is that there are so many conditions existing in crowded cities to interfere with the reliability of wireless messages that thev render the question problematical. Another is that the system has been under trial for five years or more, and it has not yet been proved a commercial success. Until it is established beyond doubt that wireless messages may be sent with the accuracy of those now conveyed by wires, no one will consider seriously changing the present…

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