Thoughts on the different kinds of food given to young silk worms, and the possibility of their being brought to perfection in the climate of England  Founded on experiemnts made near the metropolis. By S. Bertezen.

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Silkworms - Feeding and feeds - Great Britain - Early works to 1800

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Thoughts on the different kinds of food given to young silk worms, and the possibility of their being brought to perfection in the climate of England Founded on experiemnts made near the metropolis. By S. Bertezen.