Well, yes, but I meant a dead fly spattered on the radar
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I worked for Marconi Radar in Leicester for a while, right next door to the Ferranti factory. Back then, a job was a job, not a pastime.
The Leicester site used to prepare complete radar installations ready to be just lowered on to the ship. So they left the factory ready painted battleship grey and with gold plated electrical contacts. Well, can you imagine the number of battleship grey cars there was driving around Leicester, or gold plated items. Need a kettle shot blasting? No problem Sir, just take it down the workshop.