Note 120 — Chapter XVII
Reading edition
British Pat., 21,397, Sept. 26, 1907.
French Pat., 382,238, Sept. 26, 1907.
U.S. Pat., 982,902, Jan. 31, 1911.
Reading edition
British Pat., 21,397, Sept. 26, 1907.
French Pat., 382,238, Sept. 26, 1907.
U.S. Pat., 982,902, Jan. 31, 1911.