garadinervi:Flavīan Flavit︠s︡kīĭ, Periodic table in style of spiral with sixteen radii, 1887. Cla
garadinervi:Flavīan Flavit︠s︡kīĭ, Periodic table in style of spiral with sixteen radii, 1887. Classified by Edward G. Mazurs as TypeIIA1-1 in Types of Graphic Representation of the Periodic System of Chemical Elements, self-published, LaGrange, IL, 1957, Figure 22, p. 105 [Science History Institute, Philadelphia, PA] -- source link