current is intercepted by the gum .lines, for periods depending'on their thicknesses, and thus the flow of tho. electricity is constantly being interrupted. "How is this interrupted .current made to reproduce a picture at tie other end of the lino? Once again, tho system is remarkably simple. /• An Electric Shutter. "A powerful beam of light .from a lamp E (fioa figure) ie oonoe&tntod oa & u&all ejjot
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https://paperspast.natlib.govt.nz/newspapers/DOM19090703.2.47.2
Bibliographic details
Dominion, Volume 2, Issue 550, 3 July 1909, Page 6
Word Count
66Page 6 Advertisements Column 2 Dominion, Volume 2, Issue 550, 3 July 1909, Page 6
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