Notes on airport lighting. April 15, 1929.
|Corporate Author:||United States.|
|Other Authors:||Blee, Harry Harmon, 1887-|
> United States
At head of title: Department of commerce. Aeronautics branch, Washington.
"By Harry H. Blee, chief, Division of airports and aeronautic information."--1st numbered leaf.
1 p. 1., 14 numb. 1, 16 pl.
|Original Classification Number:||TL 725.3 .L5 U5|
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