Two students drawing geometrical shapes on the chalkboard. A student is also using a scale while students sitting at desks take notes.

Geometry

Two students drawing geometrical shapes on the chalkboard. A student is also using a scale while students…

The branched character of the cells is seen. Shown is a transverse section from a cross section of the tail of a rabbit, showing sheath, fibrous septa, and branched connective tissue corpuscles. The spaces left white in the drawing represent the tendinous fibers in transverse section.

Branched Tendon Cells

The branched character of the cells is seen. Shown is a transverse section from a cross section of the…

A girl drawing still life on an easel.

Girl Drawing

A girl drawing still life on an easel.

"Perspective- Place roofs and tree tops above the horizon line, and the tree trunks and main part of the houses, below." -Foster, 1921

Landscape Perspective

"Perspective- Place roofs and tree tops above the horizon line, and the tree trunks and main part of…

"Composition- A simple grouping of three objects." -Foster, 1921

Composition

"Composition- A simple grouping of three objects." -Foster, 1921

"Observe: That when drawn above the level of the eye, the bottom faces can be seen. (Boxes H, C and I.) That when drawn below the level of the eye, the top faces can be seen. (Boxes F, B and G.) That when drawn at the left of the eye, the right faces can be seen (Boxes H, D and F)> That when drawn at the right of the eye, the left faces can be seen. (Boxes I, E and G.)" -Foster, 1921

Positioning

"Observe: That when drawn above the level of the eye, the bottom faces can be seen. (Boxes H, C and…

A, B, and C show three types of triangular prisms: right, isosceles, and equilateral. When put together with rectangular prisms, they create the three basic house forms. D is a shed roof and E and F are gable roofs.

Drawing House Forms

A, B, and C show three types of triangular prisms: right, isosceles, and equilateral. When put together…

"Hold On. From the drawing by Horace Vernet." -Rees, 1894

Hold On

"Hold On. From the drawing by Horace Vernet." -Rees, 1894

"Petits! Petits! Petits! Foraging in an Enemy's Country. From the drawing by Horace Vernet." -Rees, 1894

Petits! Petits! Petits! Foraging in an Enemy's Country

"Petits! Petits! Petits! Foraging in an Enemy's Country. From the drawing by Horace Vernet." -Rees,…

"A Grenadier. From a drawing by Horace Vernet." -Rees, 1894

A Grenadier

"A Grenadier. From a drawing by Horace Vernet." -Rees, 1894

"Portrait of the Emperor Maximilian. From a drawing by Dürer in the Albertina Gallery in Vienna." -Heath, 1901

Portrait of the Emperor Maximilian

"Portrait of the Emperor Maximilian. From a drawing by Dürer in the Albertina Gallery in Vienna."…

In changing the compass from a small to large radius, hold the legs together with one hand and spin the nut with the other, in order to save wear on the threads.

Adjusting the Compass

In changing the compass from a small to large radius, hold the legs together with one hand and spin…

To properly change the compass from one size to another, make sure to place legs together while turning the nut slowly.

Compass Adjustment

To properly change the compass from one size to another, make sure to place legs together while turning…

A compass is a navigational instrument for determining direction relative to the poles.

Turning the Compass

A compass is a navigational instrument for determining direction relative to the poles.

Drawing equal parts, one of three.

Dividers

Drawing equal parts, one of three.

Drawing equal parts, two of three.

Dividers

Drawing equal parts, two of three.

Drawing equal parts, three out of three.

Dividers

Drawing equal parts, three out of three.

Orthographic projection drawing of a candlestick or upright telephone. An orthographic projection is the method of representing the exact form of an object in two or more views on planes generally at right angles to each other, by dropping perpendiculars fro the object to the planes.

Orthographic Projection of Candlestick Telephone

Orthographic projection drawing of a candlestick or upright telephone. An orthographic projection is…

Orthographic projection drawing of an arm-chair. An orthographic projection is the method of representing the exact form of an object in two or more views on planes generally at right angles to each other, by dropping perpendiculars from the object to the planes.

Orthographic Projection of Arm-Chair

Orthographic projection drawing of an arm-chair. An orthographic projection is the method of representing…

Orthographic projection drawing of stairs. An orthographic projection is the method of representing the exact form of an object in two or more views on planes generally at right angles to each other, by dropping perpendiculars fro the object to the planes.

Orthographic Projection of Stairs

Orthographic projection drawing of stairs. An orthographic projection is the method of representing…

"In this early state one recognizes the head, which is then resting on the thorax; the two eyes and the antennae, which are brought forward like two ribbons; the wings are also brought over the thorax, but these are separated artificially in the drawing we have given; and lastly, in the space left between the wings, the six legs and the body of the insect."

Chrysalis of the Large Tortoise Shell Butterfly (Vanessa Polychloros)

"In this early state one recognizes the head, which is then resting on the thorax; the two eyes and…

Simplified drawing of brain as seen from below, showing relations of brain stem to spinal cord and cerebrum.

Relation of Brain Stem to Spinal Cord

Simplified drawing of brain as seen from below, showing relations of brain stem to spinal cord and cerebrum.

Simplified drawing of brain as seen in mesial section, showing relation of brain stem, cerebrum and cerebellum, and ventricular spaces.

Brain in Mesial Section

Simplified drawing of brain as seen in mesial section, showing relation of brain stem, cerebrum and…

Transverse section of olfactory bulb; drawing includes part of bulb lying ventral to atrophic ventricular area.

Transverse Section of Olfactory Bulb

Transverse section of olfactory bulb; drawing includes part of bulb lying ventral to atrophic ventricular…

A drawing of the port of Buffalo, New York in 1813.

The Port of Buffalo in 1813

A drawing of the port of Buffalo, New York in 1813.

A drawing of the "big trees" first observed in California.

Big Trees of California

A drawing of the "big trees" first observed in California.

A drawing of the barracks at Sandwich in Canada.

Barracks at Sandwich

A drawing of the barracks at Sandwich in Canada.

A drawing of the discovery of the New World.

The New World

A drawing of the discovery of the New World.

An illustration of a young boy tracing his shadow on a wall while three young girls watch.

Shadow Drawing

An illustration of a young boy tracing his shadow on a wall while three young girls watch.

A drawing portraying the murder and mutilation of the natives of Cuba by the Spaniards.

Murder and Mutilation of the Natives of Cuba by the Spaniards

A drawing portraying the murder and mutilation of the natives of Cuba by the Spaniards.

A drawing of a busy business street in Detroit in 1899.

A Business Street in Detroit in 1899

A drawing of a busy business street in Detroit in 1899.

A drawing of the locks, used for raising and lowering boats, on the Erie Canal.

Locks on the Erie Canal

A drawing of the locks, used for raising and lowering boats, on the Erie Canal.

Drawing taken from a cast of the ventricular system of the brain, as seen from above. Vent. III, Third ventricle. Vent. IV, Fourth Ventricle. R.SP., recessus suprapinealis.

Ventricles of the Brain

Drawing taken from a cast of the ventricular system of the brain, as seen from above. Vent. III, Third…

A drawing of the Mississippi River with high water.

Mississippi River, High water

A drawing of the Mississippi River with high water.

A drawing of the Mississippi River with low water.

Mississippi River, Low Water

A drawing of the Mississippi River with low water.

A drawing of a street in old New Orleans, Louisiana.

A Bit of Old New Orleans

A drawing of a street in old New Orleans, Louisiana.

A drawing of Harvard College in 1720.

Harvard College in 1720

A drawing of Harvard College in 1720.

A drawing of Honolulu from the harbor in the early 1900's.

A Bit of Honolulu, From the Harbor

A drawing of Honolulu from the harbor in the early 1900's.

A drawing of a road in Honolulu in the early 1900's.

A Road in Honolulu

A drawing of a road in Honolulu in the early 1900's.

A drawing of a hospital in Honolulu in the early 1900's.

A Hospital in Honolulu

A drawing of a hospital in Honolulu in the early 1900's.

A vanishing point is a point in a perspective drawing to which parallel lines appear to converge.

Vanishing Point

A vanishing point is a point in a perspective drawing to which parallel lines appear to converge.

A vanishing point is a point in a perspective drawing to which parallel lines appear to converge.

Vanishing Point

A vanishing point is a point in a perspective drawing to which parallel lines appear to converge.

A vanishing point is a point in a perspective drawing to which parallel lines appear to converge.

Vanishing Point

A vanishing point is a point in a perspective drawing to which parallel lines appear to converge.

A sketch of the country side.

Landscape Sketch

A sketch of the country side.

A drawing of Virginia Convention in 1775, at St. John's Church in Richmond, Virginia, when Patrick Henry said his famous speech, "Give me liberty or give me death."

Henry, Patrick, Give me liberty or give me death!

A drawing of Virginia Convention in 1775, at St. John's Church in Richmond, Virginia, when Patrick Henry…

A drawing of a brutal attack on an Iroquois fort.

Attack on an Iroquois Fort

A drawing of a brutal attack on an Iroquois fort.

A drawing of the old church from "The Legend of Sleepy Hollow" by Washington Irving.

The Old Church at Sleepy Hollow

A drawing of the old church from "The Legend of Sleepy Hollow" by Washington Irving.

A drawing of Andrew Jackson receiving delegates.

Jackson as President Receiving Delegates

A drawing of Andrew Jackson receiving delegates.

A cartoon drawing of Thomas Jefferson.

A Caricature of Jefferson

A cartoon drawing of Thomas Jefferson.

A drawing of a Jesuit man traveling through the wilderness.

A Jesuit Traveling Through the Wilderness

A drawing of a Jesuit man traveling through the wilderness.

A drawing of a Jesuit missionary preaching to Native Americans.

A Jesuit Missionary Preaching to the Indians

A drawing of a Jesuit missionary preaching to Native Americans.

An illustration of a family surrounding the father who is sketching on a notepad.

Family

An illustration of a family surrounding the father who is sketching on a notepad.

The kidneys and great vessels viewed from the front. The drawing was made before the removal of the organs, from a specimen in which the viscera has been hardened in situ. The dotted lines mark out the areas which were contacted with various other abdominal viscera.

Kidneys from the Front

The kidneys and great vessels viewed from the front. The drawing was made before the removal of the…

The under aspect of the empty male bladder from a subject in which the viscera has been hardened in situ. The prostate has been severed from the bladder, and the white area in the drawing indicates the position where the two structures were continuous.

Under Aspect of Male Bladder

The under aspect of the empty male bladder from a subject in which the viscera has been hardened in…

A drawing of the academic buildings of West Point, the United Stated Military Academy.

West Point Academic Buildings

A drawing of the academic buildings of West Point, the United Stated Military Academy.

A drawing of early settlers in New England.

Early Settlers in New England

A drawing of early settlers in New England.

The New York Public Library, drawing from the architect's plans.

New York Public Library

The New York Public Library, drawing from the architect's plans.

An illustration of a two-spindle drawing box.

Two-Spindle Drawing Box

An illustration of a two-spindle drawing box.

The first step to drawing a house. Begin with a basic drawing.

Drawing a House 1

The first step to drawing a house. Begin with a basic drawing.

The second step to drawing a house. It becomes slightly more elaborated.

Drawing a House 2

The second step to drawing a house. It becomes slightly more elaborated.