BERTHOLON (Pierre). DE L'ELECTRICITE DES VEGETAUX, a work dealing with the electricity of the atmosphere on plants, its effects on the economy of plants, their medicinal and nutritive-electrical virtues... with the invention of an electro-vegetometer. Paris, Didot Jeune, 1783. In-8, 16-468-[2], marbled calf, spine ribbed and decorated (contemporary binding). Early research on the effects of electricity on plant growth. This Lyon edition appeared the same year as the one published in Paris and is illustrated with a folding table and 3 folding plates showing the author's experiments. A fine copy. Ex-libris A. Denier.