cept of celestial sphere
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Filmography in the catalog
Credited on 1 film (1944) — matched by name in the Creator or Credits field.
| Year ▲ | Title | Creator | Length | Format | Color | Sound |
|---|---|---|---|---|---|---|
| 1944 | Navigation Series. | Celestial Sphere and Time No. 2) Con- 412; cept of celestial sphere; definition of terms in celestial navigation. (FS 1-203; 41 53 frames) Centering, Edge Grinding, and Beveling: Spherical Surfaces U.S. Office of Education with the co- 48 operation of the U.S. Department of the Navy | Filmstrip |