(19) English Pat. 22540, 1896.
(20) Application for German Pat. not granted, 4933 IV. 296, Mar. 16, 1897.
(21) German Pat. 96208, Feb. 10, 1897. Addit. Pat. 101844 and 102573, Dec. 10, 1897.
(22) Oberle et Newbold, French Pat. 25828, July 22, 1896. Granquist, Engl. applic. 2379, Nov. 28, 1899.
(23) German Pat. 72572, June 17, 1891.
(24) Voy. Stern, Ber., 28, ch. 462.
Group II
(1) German Pat. 98642, Dec. 1, 1897 (Pauly). French Pat. 286692, March 10, 1899, and addition of October 14, 1899 (Fremery and Urban). French Pat. 286726, March 11, 1899, and addition of December 4, 1899. German Pat. 111313, March 16, 1899 (Fremery and Urban). English Pat. 18884, Sept. 19, 1899 (Bronnert). English Pat. 13331, June 27, 1899 (Consort. mulhousien).
(2) French Pat. 203741, Feb. 12, 1890.
(3) The actual lapse of this patent is due to the death of Despeissis shortly after it was taken.