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CROOKES, William. “A Fourth State of Matter”, in Nature, 17 June 1880, pp 153-4, in the weekly issue of pp 141-164. This is the popular appearance of the article that appeared in the Philosophical Transactions for the week earlier, June 10. Very good copy in the original wrappers, removed from a larger bound volume. $150
CROOKES, WIlliam. “Contributions to Molecular Physics in High Vacua”, in Nature, volume 22, June 3, 1880, pp 101-104. OFFERED WITH: Crookes, “Contributions to Molecular Physics in High Vacua, II”, in Nature, June 10, 1880, pp 125-128. Both are in their original wrappers, removed from a larger bound volumes. Nice copies. $150
CROOKES, William with Lecoq de Boisbaudran. “Radiant Matter Spectroscopy”, in Nature, July 23, 1885, pp 2183-286 in the weekly issue of pp 265-288. Wrappers, cleanly extracted from a larger bound volume. $100