POINTS WORTH WATCHING
When empyting a hydrometer au" a reading has been taken be sure tWyou put the acid back into the corret* cell from which it was taken. W’hen an accumulator is propel-’ charged it starts to gas freely, should be allowed to do this for abo an hour before being taken off chargeIf accumulators are charged means of direct current lighting the accumulators should be connects in the lead which is earthed In the attainment of pure reproduction as much care should be taken arranging the position of the IoUC' speaker as in choosing that mstru ment. The speaker should not backed against a wall, or any l ar * p surface. Frequently a certain noi will come in disproportionately 10 which seems to indicate the spca* is resonant at this frequency. moving the speaker a few inches at * time away from the nearest spot may be found where this ea is minimised or even eliminated.
Permanent link to this item
https://paperspast.natlib.govt.nz/newspapers/SUNAK19281226.2.119
Bibliographic details
Sun (Auckland), Volume II, Issue 546, 26 December 1928, Page 14
Word Count
157POINTS WORTH WATCHING Sun (Auckland), Volume II, Issue 546, 26 December 1928, Page 14
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