1916年5月6日

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使飛機夜間安全著陸的新型航空信標，印度鐵路上的鋼製車廂，以及更多

作者：Robert G. Skerrett

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大眾科學 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 大眾科學 Magazine Vol. 114 No. 19 (), p. 463
doi:10.1038/scientificamerican05061916-463
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