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Illustration of the superposition of two angles to compare magnitudes of the same kind.

Superposition of Angles

Illustration of the superposition of two angles to compare magnitudes of the same kind.

Illustration comparing the fundamental units of measure quart and liter.

Comparison Of Units Of Capacity

Illustration comparing the fundamental units of measure quart and liter.

1, Epyornis; 2, Ostrich; 3, Cassoway; 4, Wild Goose; 5, hen; 6, Pigeon; 7, Humming-bird; 8, Eagle; 9, Vulture; 10, Penguin; 11, Crocodile; 12, Python; 13, Fresh-water Tortoise; 14, Boa of St. Lucia; 15, Tortoise; 16, Ophidan; 17, Dog-fish; 18, Ray-fish. The figure in the background without a number represents the egg of the Moa (extinct).

Comparative view of the size of the eggs of different animals

1, Epyornis; 2, Ostrich; 3, Cassoway; 4, Wild Goose; 5, hen; 6, Pigeon; 7, Humming-bird; 8, Eagle; 9,…

This chart of comparisons can be used with the following questions: "Which line is twice B? Which two added make H? Which line is the difference between F and D? Call A 5; name the others. Call A 6, and name the others." -Foster, 1921

Comparisons Chart

This chart of comparisons can be used with the following questions: "Which line is twice B? Which two…

Illustration used to compare the volumes of a cone and a cylinder by emptying sand from the cone into the cylinder.

Comparative Volumes Of A Cone And Cylinder

Illustration used to compare the volumes of a cone and a cylinder by emptying sand from the cone into…

Illustration used to compare the volumes of a cone, a sphere, and a cylinder.

Comparative Volumes Of A Cone, Sphere, And Cylinder

Illustration used to compare the volumes of a cone, a sphere, and a cylinder.

Illustration comparing the fundamental units of measure 1 cubic yard and 1 cubic meter.

Comparison Of Units Of Cubic Measure

Illustration comparing the fundamental units of measure 1 cubic yard and 1 cubic meter.

Illustration used to compare the surfaces of a cylinder and a sphere.

Comparative Surfaces Of A Cylinder And Sphere

Illustration used to compare the surfaces of a cylinder and a sphere.

Illustration used to compare the volumes of a pyramid and a prism by emptying sand from the pyramid into the prism.

Comparative Volumes Of A Pyramid And Prism

Illustration used to compare the volumes of a pyramid and a prism by emptying sand from the pyramid…

Illustration comparing the fundamental units of measure 1 square yard and 1 square meter.

Comparison Of Units Of Square Measure

Illustration comparing the fundamental units of measure 1 square yard and 1 square meter.

"Three temperature scales compared against one another." -Comstock 1850

Temperature Scale

"Three temperature scales compared against one another." -Comstock 1850

Illustration comparing the fundamental units of measure ounces to grams and pounds to kilograms.

Comparison of Units of Weight

Illustration comparing the fundamental units of measure ounces to grams and pounds to kilograms.