1916年5月6日

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使飞机夜间安全着陆的新型航空信标，印度铁路上的钢制车厢，以及更多

作者：Robert G. Skerrett

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大众科学 Magazine Vol 114 Issue 19This article was originally published with the title “New Aviation Beacons that Make Safe the Landing of Aircraft at Night, Steel Cars on Railway in India, and more” in 大众科学 Magazine Vol. 114 No. 19 (), p. 463
doi:10.1038/scientificamerican05061916-463
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