GENERAL NOTES
THE WARNING DEVICE.
A certain amount of attention, has to be given to any form of warning device in order to maintain its performance. In the case of the bulb operated horn it will most probably be found that dust deposits on the reed. The bulb should be detached and the reed carefully cleaned by inserting a fine piece of paper between the vibrating blade and its holder. Great care must be exercised that the reed is not bent
in any way.
With the motor-driven type of electrical horn very little attention is required beyond cleaning and lubrication. If it is desired to vary the note of the horn, the eccentric bearing of the motor should be loosened and the driven ratchet moved with reference to the diaphragm, when a higher or lower note will be obtained. If the horn is of the diaphragm type, the attention necessary is to see that the platinum points of the vibrator are clean and flat, and are not adjusted too
far apart,
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Bibliographic details
Ellesmere Guardian, Volume XLV, Issue 3182, 6 January 1928, Page 2
Word Count
171GENERAL NOTES Ellesmere Guardian, Volume XLV, Issue 3182, 6 January 1928, Page 2
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