6 mins | Documentary | Nov. 19, 1942
6 mins | Documentary | Nov. 19, 1942
| IMDb rating | 4.6 |
| Producers | U.S. Department of Agriculture |
| Original title | The Tree in a Test Tube |
| Directors | Charles McDonald |
| Writers |
as Himself
as Himself
as Narrator (voice)
as as Interlocutor (voice)