A large cylinder containing 7 smaller congruent cylinders. The small cylinders are externally tangent…

Illustration of 7 congruent cylinders with diameters less than the height. 6 of the cylinders are equally…

Illustration of 7 congruent cylinders with diameters less than the height. 6 of the cylinders are equally…

Illustration of the intersection of an octagonal prism and a cylinder. The figures intersect at an oblique…

"A column supporting a horizontal square slab at right angles with the picture plane. A pole leans against…

"Two cylinders, one horizontal, the other perpendicular. The base of the horizontal cylinder is at one…

Spiral with lines AB and CD drawn on piece of paper shown flat.

Spiral with lines AB and CD drawn on piece of paper and rolled into a cylinder to form spiral running…

Projections and development of a truncated cylinder.

"If the cylinder A were to be developed a right section as at S—S would have to be taken, whose…

"The intersection of two cylinders might represent a dome on a boiler. If the top view of cylinder A…