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actinium series

(Encyclopedia) actinium series, natural radioactive decay series beginning with uranium-235 (also called actinouranium) and ending with lead-207. See radioactivity.

glaze, in pottery

(Encyclopedia) glaze, translucent layer that coats pottery to give the surface a finish or afford a ground for decorative painting. Glazes—transparent, white, or colored—are fired on the clay. Of the…

1928 Olympics Leading Medal Winners

Number of individual medals won on the left; gold, silver and bronze breakdown to the right. Men No   Sport G-S-B 4 Georges Miez, SWI Gymnastics 3-1-0 4 Hermann Hänggi,…

1932 Olympics Leading Medal Winners

Number of individual medals won on the left; gold, silver and bronze breakdown to the right. Men No   Sport G-S-B 4 István Pelle, HUN Gymnastics 2-2-0 4 Giulio Gaudini,…