Question: R1155 was a receiver used mainly in larger aircraft like the heavy bomber used during what war?
Sentence (from "Avro Lancaster"): It was designed and manufactured by Avro as a contemporary of the Handley Page Halifax, both bombers having been developed to the same specification, as well as the Short Stirling, all three aircraft being four-engined heavy bombers adopted by the Royal Air Force (RAF) during the same wartime era.
Relevant evidence: No