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BOOKS ADDED—JULY 1920 331
International Correspondence Schools, Scranton, Pa. 510 I24
Ingenieria civil [aritmetica, algebra, logaritmos, geometria, dibujo
lineal]. 1911. International Educational Pub. Co. (Biblioteca de las
escuelas internacionales, v.13.)
Correspondence school course.
Aerial Navigation
Illinois University—United States school of military qr 623.74 I22
aeronautics.
Technical notes. 1918.
Contents: Airplanes.—Cooperation with the artillery.—Engines.—Gunnery.—Instruments.—Map
reading.—Meteorology.—Signalling.
Pippard, Alfred John Sutton, & Pritchard, J. L.
533.652 P64
Aeroplane structures, with an introduction by L. Bairstow. 1919.
Longmans.
Theoretical principles of design.
Sweetser, Arthur, & Lamont, Gordon.
533607 S97
Opportunities in aviation. 1920. Harper. (Opportunity books.)
Has a chapter on qualifications for an airplane mechanic ; deals briefly with training
of aviators, but has little to say about the requirements. States in the introduction
that "If there may be one deduction drawn from the experience of instructors in
the Royal Air Force, it is that it is the training, not the individual, that makes the
pilot."
Woodhouse, Henry.
qr 533652 W86t
Textbook of applied aeronautic engineering. 1920. Century.
Compilation, with illustrated description of many types of aeroplane. Contains
some theoretical material. Reference value impaired by lack of index.
Crystallography
Martius-Matzdorff, J. qr 548 M43
Die elemente der krystallographie, mit stereoskopischer darstellung
der krystallformen, fiir hohere lehranstalten und zum selbststudium.
1871.
Sella, Quintino.
548-7 S46
Abhandlungen zur kristallographie; hrsg. von F. Zambonini. 1906.
(Oswald's klassiker der exakten wissensehaften, nr.155.)
Contains bibliographical foot-notes.
Ulrich, Fr.
V 548 U23
Krystallographische figurentafeln, zum gebrauche bei mineralogischen
vorlesungen zusammengestellt. [1884.]
Vrba, Karl. r 548 V39
Krystallographische tafeln fur die mineralogischen vortrage an der
Prager Universitat; copien nach Naumann u.a. nebst eigenen construktionen.
Ed.3. 1876.
r