Drawing House Forms
A, B, and C show three types of triangular prisms: right, isosceles, and equilateral. When put together…
Eyes right
At the command right, turn the head to the right oblique, eyes fixed on the line of eyes of the men…
Magnetic Field Around a Current Carrying Wire
"If the conducting wire is bent into the form shown, the lines of force will pas around the wire from…
First Right Square Octahedron
"Science has succeeded in classifying the thousands of known crystals in six systems, to each of which…
First Right Square Prism
"Science has succeeded in classifying the thousands of known crystals in six systems, to each of which…
Projection Of Hexagonal Pyramid
Illustration of the projection of a hexagonal pyramid that is in a right position.
Inclined Plane
"A force pushing a weight from C to D, only raises it through the perpendicular height, E D, by acting…
Ladder Leaning Against a Building
Illustration of a ladder leaning against the side of a building (wall) to form a right triangle .
Ladder Leaning Against a Tree
Illustration of a ladder leaning against a palm tree, that is perpendicular to the ground, to form a…
Ladder Leaning Against a Tree
Illustration of a ladder leaning against a palm tree, that is perpendicular to the ground, to form a…
Ladder Leaning Against a Tree
Illustration of a ladder leaning against a palm tree, that is perpendicular to the ground, to form a…
Ladder Leaning Against a Tree
Illustration of a ladder leaning against a palm tree, that is perpendicular to the ground, to form a…
2 Ladders Leaning Against a Tree
Illustration of 2 ladders leaning against opposite sides of a palm tree to form similar right triangles.…
3 Ladders Leaning Against a Wall
Illustration of 3 ladders leaning against the side of a building (wall) to form right triangles. The…
Lines of Force
"Lines of force of a circular loop. If a current flow through the loop in the direction indicated, the…
Polarization of Light
"The effect of holding polarizing lenses at right angles to each other." -Avery 1895
