Note 18 — VOLUME VI slice I Châtelet to Chicago (continued 7)
Reading edition
This was done simultaneously in 1894 by W. Muthmann and A. E. H. Tutton, the latter receiving the idea from F. Becke (see Journ. Chem. Soc., 1896, 69, p. 507; 1905, 87, p. 1183).