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| fields = Military technology | signature = Robert Stuart Macrae signature.jpg | signature_alt = Signature of Robert Stuart Macrae | footnotes = }} Colonel Robert Stuart Macrae TD was an inventor best known for his work at MD1 during the Second World War, his best known invention being the sticky bomb. Macrae was the author of ''Winston Churchill's Toyshop''. A memoir detailing his experiences at MD1. == Early career == Macrae had been a trainee engineer and late in the First World War worked on a device for dropping grenades as an early form of cluster bomb. The war ended before the device was used or he received any commission for his work. Macrae was an editor of ''Armchair Science'' magazine during the period leading up to the Second World War. He was approached by Millis Jefferis who was after strong magnets for a secret explosive project. Already security cleared from his previous work, Macrae was able to join in the project. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Stuart Macrae (inventor)」の詳細全文を読む スポンサード リンク
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