Cylinder Parts Small 320×132 Medium 640×264 Large 1024×422 Download Tiff Original 2400×990 | (138.2 KB) Description "Explanation of the cylinder. a, altitude; c, circumference of base, or perimeter; d, diameter; s, lateral surface." -Foster, 1921 Keywords cylinder altitude, cylinder circumference, cylinder diameter, cylinder perimeter, label cylinder parts, lateral surface Galleries Cylinders Source: Ellsworth D. Foster ed. The American Educator (vol. 2) (Chicago, IL: Ralph Durham Company, 1921)