Type 281
... that the prototype of the British Type 281 early warning radar was mounted on the light cruiser HMS Dido in October 1940?
... that the prototype of the British <b id="mwDOk"><a href="./Type_281_radar" id="mwDOo" rel="mw:WikiLink" title="Type 281 radar">Type<span id="mwDOs" typeof="mw:Entity"> </span>281</a></b> early warning radar was mounted on the <a href="./Light_cruiser" id="mwDOw" rel="mw:WikiLink" title="Light cruiser">light cruiser</a> <a about="#mwt58" data-mw='{"parts":[{"template":{"target":{"wt":"HMS","href":"./Template:HMS"},"params":{"1":{"wt":"Dido"},"2":{"wt":"37"},"3":{"wt":"6"}},"i":0}}]}' href="./HMS_Dido_(37)" id="mwDO0" rel="mw:WikiLink" title="HMS Dido (37)" typeof="mw:Transclusion">HMS<span typeof="mw:Entity"> </span><i>Dido</i></a> in <span about="#mwt59" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"Nowrap","href":"./Template:Nowrap"},"params":{"1":{"wt":"October 1940"}},"i":0}}]}' id="mwDO4" typeof="mw:Transclusion">October 1940</span>?