Obituary notices: Leonard Archbutt, 1858–1935; James Munsie Bell, 1880–1934; Giuseppe Grassi Cristaldi, 1860–1934; William Thomas Gent, 1855–1934; Arthur William Nunn, 1867–1935; Sven Ludvig Alexander Odén, 1887–1934; Allan Winter Rowe, 1879–1934
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