AERIAL NAVIGATION
BY
J. G. W. FIJNJE VAN SALVERDA
LATE ADMINISTRATOR OF PUBLIC WORKS OF THE
NETHERLANDS, AND ADVISORY COUNCILLOR FOR
HYDROTECHNIC AND RAILWAY AFFAIRS
TRANSLATED FROM THE DUTCH BY
GEORGE E. WARING, Jr.
AERIAL NAVIGATION
BY
J. G. W. FIJNJE VAN SALVERDA
LATE ADMINISTRATOR OF PUBLIC WORKS OF THE
NETHERLANDS, AND ADVISORY COUNCILLOR FOR
HYDROTECHNIC AND RAILWAY AFFAIRS
TRANSLATED FROM THE DUTCH BY
GEORGE E. WARING, Jr.