Technical Section of Aeronautics Page: 4 of 24
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sections (aviation,, hydro-aviatipn, aerostation, engines and
propellers, navigation, radio and photography, rigging). The
experimental department is itself divided into two distinct
sections, that of laboratories and research, and, that of -tests
properly so termed, under the supervision of Naval Constructor
DUMANOIS (with rank of Lieutenant Commander).
The plants of the S.T.A6. are located at Issey-les-ouline-
eaux(Fig. 1), in new buildings especially erected for them.
At Issy-les-Moulineaux we likewise find laboratories for
the Research Department, comprising, in particular, one-for
chemistry, a physical laboratory, an optical and a photographic
laboratory, one for mechanical tests, one for thermic treat-
ment, one for electricity, and one for the study of woods, fab-
rics and dopes (Fig. 1). A large wind tunnel (Fig, 2) will be
in operation in the near future and will permit obtaining, with
a power of 1000 kilowatts, an air current of uniform velocity,
as high as 80 (262.47 ft.) meters per second, with a diameter
of three meters (9.84 ft.). These different laboratories are
under the direction of Commandant ROBERT and we shall have oc-
casion to revert to them in a future article.
The plants of Issy-les-.Moulineaux also include the.neces'
sary shops for the construction of new apparatus and airplanes,
engines and accessories, which cannot be entrusted to civil
industry, either because they are of a confidential nature, or
because their inventor may have only submitted an interesting
project which he has not the means of carrying out.
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Lesage, André. Technical Section of Aeronautics, report, February 1923; (https://digital.library.unt.edu/ark:/67531/metadc277418/m1/4/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.