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Synopsis

The author explores the effects of condensation and evaporation as they relate to the success of a beehive. The results of various experiments and the author's thoughts are given. (Summary by SoMDbeekeeper)

Durée: environ une heure (01:26:46)
Date de publication: 25/08/2014; Copyright Year: 1917. Copyright Statment: —

• Religion
• Science et Technologie
• Passions et Passe-temps