Science of pre-flight aeronautics.
Wedi'i Gadw mewn:
| OCLC: | 1955754 |
|---|---|
| Awdur Corfforaethol: | |
| Awduron Eraill: | |
| Iaith: | English |
| Cyhoeddwyd: |
New York,
The Macmillan company,
1944.
|
| Rhifyn: | Rev. ed. |
| Cyfres: | Air-age education series.
|
| Pynciau: | |
| Fformat: | Monograph Note that CRL will digitize material from the collection when copyright allows. |