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An illustration of a shadow from a table with the sun directly perpendicular above the table.

Shadow of a Table

An illustration of a shadow from a table with the sun directly perpendicular above the table.

"A ladder leaning against a wall casts it shadow partly on the wall C; it is continued on an open door not perpendicular with its connecting wall; and lastly upon the ground. Project also the shadow of the door. Let A be the source of light" (Britannica, 1891)

Shadow of an Ladder

"A ladder leaning against a wall casts it shadow partly on the wall C; it is continued on an open door…

"A pole is leaning against a wall A, against which it casts part of its shadow, and the remainder upon another wall B, at right angles with A. Let D be the source of light." (Britannica, 1891)

Shadow of an Pole

"A pole is leaning against a wall A, against which it casts part of its shadow, and the remainder upon…

An illustration of a shadow cast by the light of a street lamp.

Shadow of an Street Lamp

An illustration of a shadow cast by the light of a street lamp.

"An archway parallel to the picture. the sun's inclination 40° and elevation 30°." (Britannica, 1891)

Shadows of an Archway

"An archway parallel to the picture. the sun's inclination 40° and elevation 30°." (Britannica,…

"A column supporting a horizontal square slab at right angles with the picture plane. A pole leans against the wall behind, and cast sit shadow on the column. Sun's inclination 40°, elevation 35°." (Britannica, 1891)

Shadows of an Column Supporting a Horizontal Square

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

"A globe casts its shadow upon the ground; the sun's rays parallel with the picture at an angle of 45° with the horizon." (Britannica, 1891)

Shadows of Curvilinear Objects

"A globe casts its shadow upon the ground; the sun's rays parallel with the picture at an angle of 45°…

"Two cylinders, one horizontal, the other perpendicular. The base of the horizontal cylinder is at one angle of 40° with the PP. The sun's inclination 50°m elevation 28°." (Britannica, 1891)

Shadows of Two Cylinders

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