THE SFERAYOX reproduces with remarkable clarity, is free from distortion, and so constructs that no matter if the terminals aro connected the wrong the magnets cannot become de-magnetized. New price, £4 4s, of all leading radio dealers. Now Zealand representatives. Brown and Dureau, Ltd., Wellington. —1 An opportunity was recently given a "Press" man to learn the number of "listeners-in*' using crystal sets and J.I.S. 2 stage and so get loud-speaker strength. This information proved that the large majority of Amplifiers in use have been supplied by J. I. Smail, pioneer radio firm. —6
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https://paperspast.natlib.govt.nz/newspapers/CHP19271029.2.56.2
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Press, Volume LXIII, Issue 19144, 29 October 1927, Page 10
Word count
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94Page 10 Advertisements Column 2 Press, Volume LXIII, Issue 19144, 29 October 1927, Page 10
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