Transmitter of the SK circuit is being repaired at the workshop of the Finnish Broadcasting Company Yle, in the background installation bases for P-12-50 air-raid protection transmitters are being worked on, 1940. The date of the photograph is estimated to be accurate within a year.
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<a rel="nofollow" class="external text" href="https://www.flickr.com/people/ylearkisto">Finnish Broadcasting Company Yle Archives</a></div>
1 January 1940, 11:27:48
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/ylearkisto/15464819066/">Yle Archives on Flickr</a>