Artificial Light
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coal at low temperatures was first discussed, but no general applications were made until a later period. This was the beginning of many marked improvements in oil-lamps, and was in reality the birth of the modern science of light-production. [Illustration: A TYPICAL MET
Dettagli
- Data di pubblicazione
- Dec 24, 2018
- Lingua
- English
- Categoria
- Storia
- Copyright
- Tutti i diritti riservati - Licenza di copyright standard
- Collaboratori
- Di (autore): Rubi Vaquera
Specifiche
- Formato