There is a widespread, and quite erroneous, impression to the effect that aircraft are essentially fragile and deteriorate with great rapidity when in service, so that the depreciation charges to be allowed on commercial or private operation are necessarily high.
Depreciation of aircraft
1922-12-01
Sonstige
Keine Angabe
Englisch
Aircraft depreciation, the air board of Canada
Engineering Index Backfile | 1920
Engineering Index Backfile | 1929
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