
Excursions in Science No. 6
Excursions in Science No. 6
Guarda excursions in science no. 6 su StreamingCommunity. Laboratory experiments which later are applied to practical use are detailed here. Among the problems attempted and executed are the preparation of delicate springs from fused quartz and the steps in the manufacture of sodium lamps.
- Genere: Documentario
- Nazione: United States
- Direttore: John Gilmour
- Cast: John Sheehan,

