ClipArt ETC
A problem exercise to construct a star overlapping square using a triangle and T square. The image is drawn by dividing the paper with dashed lines using T square. Using the 45 degree triangle, draw diagonal lines to create the star and the star.

Constructing 4 Point Star Overlapping Box Pattern using T Square and Triangle

A problem exercise to construct a star overlapping square using a triangle and T square. The image is…

A Hartmann Spectrocomparator device to measure accurate displacement of the star by measuring the relative star motion to the observer. The object is first photographed, then the image is attached to the device measuring the distance.

Hartmann Spectrocomparator

A Hartmann Spectrocomparator device to measure accurate displacement of the star by measuring the relative…

A diagram of Hartmann Spectrocomparator device to measure accurate the star's displacement. The photographed star is clamped on to the device. Then the series of light is reflected onto the photograph into the eyepiece to measuring the star's motion.

Hartmann Spectrocomparator Diagram

A diagram of Hartmann Spectrocomparator device to measure accurate the star's displacement. The photographed…

The illustration of putting lenses in front of the eye. The focal point of the image is reflected into the eye. The focal point in the lens will end past the eye, creating a blurry image.

Optical Position and Size of Image Through Lens in Front of Eye

The illustration of putting lenses in front of the eye. The focal point of the image is reflected into…

"The lens is spherically corrected for OO', but the sinecondition is not fulfilled. Hens the different magnifications of a point O1 beyond the axis." —Encyclopaedia Britannica, 1910

Magnification of Image Beyond Axis with Lens

"The lens is spherically corrected for OO', but the sinecondition is not fulfilled. Hens the different…

"B is the pan on which the coin rests, at a point above the beam. The coins are placed in a rouleau in the hopper C and the lowest one is pushed on to the pan B by a slide. While the coin is being moved the hanger D is held firmly by the forceps E to prevent the pan from being pushed sideways." —Encyclopaedia Britannica

Center and End Knife Edges with Scale Pan Coin Weighing

"B is the pan on which the coin rests, at a point above the beam. The coins are placed in a rouleau…

"The original form of the mitre was that of the early papal tiara, i.e. a somewhat high conical cap. The stages of its general development from this shape to the high double—horned modern mitre are clearly traceable though it is impossible exact distinguish them in point of date." —Encyclopaedia Britannica

Mitre Evolution from 11th Century to Present Day

"The original form of the mitre was that of the early papal tiara, i.e. a somewhat high conical cap.…

To join multiple metals by applying heat, sometimes with pressure or with an intermediate or filler metal having a high melting point.

Process of Welding Metal

To join multiple metals by applying heat, sometimes with pressure or with an intermediate or filler…

A pen filled from an external source and containing an ink reservoir that automatically feeds the writing point.

Fountain Pen

A pen filled from an external source and containing an ink reservoir that automatically feeds the writing…

A short stocking reaching a point between the ankle and the knee.

Boot Sock

A short stocking reaching a point between the ankle and the knee.

A pantograph used to reduce motion of the piston. At point D, a string is attached to the indicator, measuring pressure of steam in cylinder. The pantograph is attached to a solid surface on top. As the piston moves, the pantograph pulls the string.

Motion Reduction using Pantograph of Piston Connected to Indicator of Steam Engine

A pantograph used to reduce motion of the piston. At point D, a string is attached to the indicator,…

"As the eccentric turns in the strap, the point O moves in the dotted circle around O', and the point A also moves in a circle. When half a revolution is accomplished the point O will be at O", the Point A will be at A", and the eccentric strap and valve rod will be in the position indicated by the dotted lines." —Derr, 1911

Shaft in an Eccentric Motion from Steam Engine

"As the eccentric turns in the strap, the point O moves in the dotted circle around O', and the point…

"Since the valve must move a distance equal to the outside lap before admission can take place, it is evident that the eccentric can no longer be at right angles to the crank at the beginning of the stroke, but must be ahead of the right—angle point by an amount equal to AOC." —Derr, 1911

Valve with Lap of Steam Engine at Extreme Left with Exhaust Ports Open

"Since the valve must move a distance equal to the outside lap before admission can take place, it is…

An outline of the Marshall gear from a steam engine. The piston rotates the crank shaft at point H around axis S. The rod F is connected to the bottom rod E. Rod F rotates at axis P to rotate the engine backwards and forward.

Outline of a Steam Engine Marshall Gear Reducing Friction and Wear

An outline of the Marshall gear from a steam engine. The piston rotates the crank shaft at point H around…

A Joy valve gear for steam engine rotating the wheel in the direction of the arrow. The lever F changes the direction the wheel would turn when turned to point B.

Joy Steam Engine Valve Gear Rotating Wheel

A Joy valve gear for steam engine rotating the wheel in the direction of the arrow. The lever F changes…

A toy having one end tapered to a point, allowing it to be spun, as by suddenly pulling a string wound around it.

Yoyo Top

A toy having one end tapered to a point, allowing it to be spun, as by suddenly pulling a string wound…

A pentagram star. The five point star is drawn by four straight diagonal lines. The pentagram star was symbolized health, well being and happiness.

Pentagram Star

A pentagram star. The five point star is drawn by four straight diagonal lines. The pentagram star was…

The illustration of a square heptagram star with six points. A heptagon polygon can make two stars.

Six Point Squared Heptagram Star

The illustration of a square heptagram star with six points. A heptagon polygon can make two stars.

A heptagram star with seven points. The star is drawn by 7 diagonal lines.

Seven Point Heptagram Star

A heptagram star with seven points. The star is drawn by 7 diagonal lines.

A squared nanogram star with 8 points. The star is created by using two four sided squares on top of one another at an angle.

Squared Eight Point Nanogram Star

A squared nanogram star with 8 points. The star is created by using two four sided squares on top of…

A triangular nanogram star with 9 points. This nine point star is created by drawing nine diagonal lines at an acute angles, creating a triangular look.

Triangular Nine Point Nanogram Star

A triangular nanogram star with 9 points. This nine point star is created by drawing nine diagonal lines…

A writing implement with a point from which ink flows

Fountain Pen

A writing implement with a point from which ink flows

An illustration of the Avenue de Champs Élysées in Paris, France. It is known for its luxury specialty shops and is one of the most famous streets in the world. It was originally a stretch of fields and market gardens.

Avenue de Champs Élysées

An illustration of the Avenue de Champs Élysées in Paris, France. It is known for its luxury…

a top, or spinning top, is a toy that can be spun on an axis, balancing on a point. This motion is produced by holding the axis firmly while pulling a string. An internal weight then rotates, producing an overall circular motion.

Spinning Top

a top, or spinning top, is a toy that can be spun on an axis, balancing on a point. This motion is produced…

The point at which a conductor from an electrical component, device or network comes to an end and provides a point of connection to external circuits. A terminal may simply be the end of a wire or it may be fitted with a connector or fastener.

Attachment Terminal

The point at which a conductor from an electrical component, device or network comes to an end and provides…

This is a short shrub like perennial of the sedum, featuring star shaped flowers.

Sedum Telephium

This is a short shrub like perennial of the sedum, featuring star shaped flowers.

An image of Julius Caesar and his army crossing the Rubicon River, which is located in northeastern Italy. The idiom "Crossing the Rubicon" refers to Julius Caesar passing this river in 49 BC, and means to pass a point of no return.

Caesar Crossing the Rubicon

An image of Julius Caesar and his army crossing the Rubicon River, which is located in northeastern…

A white fragrant flower, with a spreading star-shaped limb.

Posoqueria Multriflora

A white fragrant flower, with a spreading star-shaped limb.

"One standing at O will only see the half of the Sky which is above the circle NESW. The whole sky will seem to be turning about the line POP'; the Stars will seem to be moving along the paths EQW, BAB', etc. Stars so near the North Pole that they are inside the dark area KPN will never set."—The Foundation Library, 1911

The Sphere of the Sky

"One standing at O will only see the half of the Sky which is above the circle NESW. The whole sky will…

"These telescopes were all reflectors; that is, instead of looking up at a star through a tube with a glass in the upper end [Herschel] would look down into the tube away from the star and see its reflecting in a concave mirror at the lower end of the tube."—The Foundation Library, 1911

A Great Reflecting Telescope

"These telescopes were all reflectors; that is, instead of looking up at a star through a tube with…

"Umbel is formed when the secondary axes originate from the same point on the stem, and rise to nearly the same height. The whole is called a universal umbel. If the secondary axes develop tertiary ones in the same manner, each is called a partial umbel."—Darby, 1855

Umbels

"Umbel is formed when the secondary axes originate from the same point on the stem, and rise to nearly…

"In close array, this firm united band / Guarded on every point will boldly stand; / Their foes attack them on each side in vain; / By standing, they at last the victory gain."—Barber, 1857

They Conquer Who Endure

"In close array, this firm united band / Guarded on every point will boldly stand; / Their foes attack…

A public square in the 1st arrondissement of Paris, France. It is the starting point of the Rue de la Paix.

Colonne Vendôme

A public square in the 1st arrondissement of Paris, France. It is the starting point of the Rue de la…

"Counter-vair is when the arrangement of the little shields or bells is varied so that those of the same tincture are placed base against base and point against point."—Aveling, 1891

Counter-Vair Shield

"Counter-vair is when the arrangement of the little shields or bells is varied so that those of the…

"Potent counter-potent, sometimes called varry cuppy, differs from potent in that the potents of the same tincture are placed base to base and point to point."—Aveling, 1891

Potent Counter-Potent Shield

"Potent counter-potent, sometimes called varry cuppy, differs from potent in that the potents of the…

"The barbed head of a spear or arrow, engrailed on the inner side. The point of the spear is placed in base."—Aveling, 1891

Pheon

"The barbed head of a spear or arrow, engrailed on the inner side. The point of the spear is placed…

"The Star is the badge, first ordered by Charles I. The rays are of silver or diamonds. The star is worn on the left breast."—Aveling, 1891

Star of the Order of the Garter

"The Star is the badge, first ordered by Charles I. The rays are of silver or diamonds. The star is…

"This Order was instituted by Her Majesty the Queen, in the year 1861, for bestowing honor upon the people of her Indian Empire. The Order consists of the Sovereign, a Grand Master, always to be Governor-General of India, and twenty-five Knights, with such Honorary Knights as the Crown may appoint. The Knights are to include both Naval, Military, and Civil officers, and natives of India."—Aveling, 1891

Insignia of the Order of the Star of India

"This Order was instituted by Her Majesty the Queen, in the year 1861, for bestowing honor upon the…

The state banner of Minnesota, the north star state.

Minnesota

The state banner of Minnesota, the north star state.

The state banner for Texas, the lone star state.

Texas

The state banner for Texas, the lone star state.

"Shows the powerful legs, small feet, and rudimentary wings of the bird; the obliquity at which the bones of the legs and wings are placed, and the comparatively small angles which two bones make at their point of junction."—Pettigrew, 1857

Skeleton of Ostrich

"Shows the powerful legs, small feet, and rudimentary wings of the bird; the obliquity at which the…

The flowers of aerides odoratum are creamy white with pink tips. The leaves are dark green with an abrupt point.

Aerides Odoratum Flowers

The flowers of aerides odoratum are creamy white with pink tips. The leaves are dark green with an abrupt…

Anthericum Liliastrum is commonly known as St. Bruno's Lily. The flowers are a transparent white with a green spot on the point of each bell-shaped segment.

Anthericum Liliastrum

Anthericum Liliastrum is commonly known as St. Bruno's Lily. The flowers are a transparent white with…

The common name of aster is Michaelmas daisy and star-wort. The alpinus variety has bright purple flower head. There is one flower per stem.

Aster Alpinus

The common name of aster is Michaelmas daisy and star-wort. The alpinus variety has bright purple flower…

Aster amellus bessarabicus has purple flower heads. It is considered to be the showiest of all the varieties of aster.

Aster Amellus Bessarabicus

Aster amellus bessarabicus has purple flower heads. It is considered to be the showiest of all the varieties…

The flower heads of aster corymbosus form convex clusters. The flowers are pale ellow with white florets. The stems are a brittle, blackish purple.

Aster Corymbosus

The flower heads of aster corymbosus form convex clusters. The flowers are pale ellow with white florets.…

Aster ericoides flowers are white. The flower clusters are ragged with small leaflets. This flower grows to be three feet tall.

Aster Ericoides

Aster ericoides flowers are white. The flower clusters are ragged with small leaflets. This flower grows…

Aster grandiflorus has large, purple flowers. One flower head grows on each stem. This variety of aster is found in North America.

Aster Grandiflorus

Aster grandiflorus has large, purple flowers. One flower head grows on each stem. This variety of aster…

The flowers of aster turbinellus are a delicate mauve color. The leaves are narrow, triangular, and pointy.

Aster Turbinellus

The flowers of aster turbinellus are a delicate mauve color. The leaves are narrow, triangular, and…

Both asters have hemispherical formed heads. The colors vary. These flowers are vigorous upright growers.

Truffaut's Peony Perfection

Both asters have hemispherical formed heads. The colors vary. These flowers are vigorous upright growers.

Victoria aster is one of the most popular varieties of aster. The flowers heads are four inches in diameter. There are ten to twenty flower heads on each plant. The shades vary.

Victoria Aster

Victoria aster is one of the most popular varieties of aster. The flowers heads are four inches in diameter.…

Some blades, such as the first two, are made with a rounded point to cut the bark without the knife entering the wood underneath. The middle two knives are made with the edge of the knife carrying to a point and are used for ordinary purposes. The last knife has a piece of ivory inserted for opening the bark.

Budding Knives

Some blades, such as the first two, are made with a rounded point to cut the bark without the knife…

The flowers of ferraria undulata are greenish brown. The leaves overlap and taper to a slim point.

Flowering Spike of Ferraria Undulata

The flowers of ferraria undulata are greenish brown. The leaves overlap and taper to a slim point.

Filbert is a shrub that produces nuts, similar to the hazelnut. Filberts can be distinguished by the extension beyond the point of the enclosed nut.

Fruiting Branchlet of Filbert

Filbert is a shrub that produces nuts, similar to the hazelnut. Filberts can be distinguished by the…

Galax aphylla has numerous, small white flowers growing towards the point of a scape. The flowers bloom in July.

Habit and Detached Inflorescence of Galax Aphylla

Galax aphylla has numerous, small white flowers growing towards the point of a scape. The flowers bloom…

The common name of geaster hygrometricus is earth star. These flowers are sensitive to moisture. Some are shapeless masses (a) until a rain shower expands them (b).

Geaster Hygrometricus

The common name of geaster hygrometricus is earth star. These flowers are sensitive to moisture. Some…

Heliophila pilosa incisa has blue flowers. The leaves are linear and divide in three parts at the point. The lobes are also linear.

Habit and Detached Single Flower or Heliophila Pilosa Incisa

Heliophila pilosa incisa has blue flowers. The leaves are linear and divide in three parts at the point.…

The spanish or vernon hoe is a form with only one point.

Spanish or Vernon Hoe

The spanish or vernon hoe is a form with only one point.

Hydrangea paniculata grandiflora has white flowers. The flowers are small and star shaped. The flowers bloom in summer and autumn.

Habit and Detached Single Flower of Hydrangea Paniculata Grandiflora

Hydrangea paniculata grandiflora has white flowers. The flowers are small and star shaped. The flowers…

The common name of hymenophyllum is filmy fern. The turbridgense variety has oblong fronds that taper to a point. The fern is native to temperate regions.

Hymenophyllum Turbridgense

The common name of hymenophyllum is filmy fern. The turbridgense variety has oblong fronds that taper…