"Argent, a lozenge, vert. The lozenge is formed by four equal and parallel lines but not rectangular, two of its opposite angles being acute, and two obtuse." -Hall, 1862

Lozenge Ordinary

"Argent, a lozenge, vert. The lozenge is formed by four equal and parallel lines but not rectangular,…

"Azure, a fret, argent. The fret is formed by two lines interlaced in saltier with a mascle." -Hall, 1862

Fret Ordinary

"Azure, a fret, argent. The fret is formed by two lines interlaced in saltier with a mascle." -Hall,…

"Gules, fretty of ten pieces, argent. Fretty is when the shield is covered with lines crossing each other diagonally and interlaced." -Hall, 1862

Fretty Ordinary

"Gules, fretty of ten pieces, argent. Fretty is when the shield is covered with lines crossing each…

"Azure, a flanche, argent. The flanche is formed by two curved lines nearly touching each other in the centre of the shield." -Hall, 1862

Flanche Ordinary

"Azure, a flanche, argent. The flanche is formed by two curved lines nearly touching each other in the…

"Azure, a flasque, argent. In the flasque the curved lines do not approach so near each other." -Hall, 1862

Flasque Ordinary

"Azure, a flasque, argent. In the flasque the curved lines do not approach so near each other." -Hall,…

"Azure, a voider, argent. In the voider the lines are still wider apart; this ordinary occupies nearly the whole of the field: it may be charged." -Hall, 1862

Voider Ordinary

"Azure, a voider, argent. In the voider the lines are still wider apart; this ordinary occupies nearly…

"Azure, a bend argent. BEND. One of the honourable ordinaries formed by two diagonal lines drawn from the dexter chief to the sinister base; it generally occupies a fifth part of the shield if uncharged, but if charged one third." -Hall, 1862

Bend Ordinary

"Azure, a bend argent. BEND. One of the honourable ordinaries formed by two diagonal lines drawn from…

A Cross Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Cross Road, Black and White

A Cross Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Cross Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Cross Road, Color

A Cross Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Cross Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Cross Road, Outline

A Cross Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Cross Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Cross Road, Silhouette

A Cross Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Side Road, Black and White

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Side Road, Color

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Side Road, Outline

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Side Road, Silhouette

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Side Road, Black and White

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Side Road, Color

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Side Road, Outline

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Side Road, Silhouette

A Side Road symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A T-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

T-Symbol, Black and White

A T-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A T-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

T-Symbol, Color

A T-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A T-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

T-Symbol, Outline

A T-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A T-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

T-Symbol, Silhouette

A T-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Y-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Y-Symbol, Black and White

A Y-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Y-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Y-Symbol, Color

A Y-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Y-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Y-Symbol, Outline

A Y-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

A Y-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic. The relative importance of the intersecting roadways may be shown by different widths of lines in the symbol. An advance street name plaque may be installed above or below an Intersection Warning sign.

Y-Symbol, Silhouette

A Y-Symbol sign may be used in advance of an intersection to indicate the presence of an intersection…

An illustration of a four person file military formation.

Four Person File Military Formation

An illustration of a four person file military formation.

An illustration of a three person file military formation.

Three Person File Military Formation

An illustration of a three person file military formation.

An illustration of a two person file military formation.

Two Person File Military Formation

An illustration of a two person file military formation.

"GYRON. A triangular figure formed by two lines from one of the angles of the shield to the centre. The gyron may be drawn in any part of the shield, but it is generally placed as in the annexed example." -Hall, 1862

Gyron

"GYRON. A triangular figure formed by two lines from one of the angles of the shield to the centre.…

"Fig. 26 - Parts of a Bill. a, side of upper mandible; b, culmen; c, nasal fossa; d, nostril; e(see below); f, gape, or whole commissural line; g, rictus; h, commissural point or angle of the mouth; i, ramus of under jaw; j, tomia of under mandible (the reference lines e should have been drawn to indicate the correct tomia of upper mandible):k, angle of gonys; l, gonys; m, side of under mandible; n, tips of mandibles." Elliot Coues, 1884

The Parts of a Bird Bill

"Fig. 26 - Parts of a Bill. a, side of upper mandible; b, culmen; c, nasal fossa; d, nostril; e(see…

"ORLE. A subordinate ordinary composed of double lines going round the shield at some distance from its edge; it is half the width of the bordure." -Hall, 1862

Orle

"ORLE. A subordinate ordinary composed of double lines going round the shield at some distance from…

"Azure, a pale or. PALE. One of the honourable ordinaries formed by two perpendicular lines drawn from the base to the chief. The pale occupies one third of the shield." -Hall, 1862

Pale

"Azure, a pale or. PALE. One of the honourable ordinaries formed by two perpendicular lines drawn from…

"Paly of four, argent and gules. PALY. A field divided by perpendicular lines into several equal parts of metal and tincture interchangeably disposed." -Hall, 1862

Paly

"Paly of four, argent and gules. PALY. A field divided by perpendicular lines into several equal parts…

"Argent, a pile, purpure. PILE. An angular figure like a wedge, formed by lines running from the dexter and sinister chief to the middle base." -Hall, 1862

Pile

"Argent, a pile, purpure. PILE. An angular figure like a wedge, formed by lines running from the dexter…

"Azure, a ray of the sun issuing out of the dexter corner of the escutcheon. The lines on each side are not noticed. RAY. A stream of light proceeding from a luminous body." -Hall, 1862

Ray of Sun

"Azure, a ray of the sun issuing out of the dexter corner of the escutcheon. The lines on each side…

"Argent, the lower half of the shield three bars wavy, azure. WAVY. Curved lines, undulating like the waves of the sea." -Hall, 1862

Bars Wavy

"Argent, the lower half of the shield three bars wavy, azure. WAVY. Curved lines, undulating like the…

Illustration used to prove the theorem "If three or more parallel lines intercept equal segments on one transversal, they intercept equal segments on any other transversal."

4 Parallel Lines Cut By 2 Transversals

Illustration used to prove the theorem "If three or more parallel lines intercept equal segments on…

Illustration used to prove the theorem "The line bisecting one of the non parallel sides of a trapezoid and parallel to the bases bisects the other of the non parallel sides also."

Line Bisecting Trapezoid Sides

Illustration used to prove the theorem "The line bisecting one of the non parallel sides of a trapezoid…

Illustration used to prove "The line bisecting one side of a triangle and parallel to another side bisects the third side."

Line Bisecting Side of a Triangle

Illustration used to prove "The line bisecting one side of a triangle and parallel to another side bisects…

Illustration used to prove "The line joining the mid-points of two sides of a triangle is parallel to the third side and equal to one half the third side."

Line Joining Midpoints on a Triangle

Illustration used to prove "The line joining the mid-points of two sides of a triangle is parallel to…

Illustration used to show how to divide a given straight line into any number of equal parts.

Line Divided Into Equal Parts

Illustration used to show how to divide a given straight line into any number of equal parts.

Illustration used to show "The two perpendiculars to the sides of an angle from any point in its bisector are equal."

Perpendiculars To The Sides Of An Angle

Illustration used to show "The two perpendiculars to the sides of an angle from any point in its bisector…

Illustration used to show "The two perpendiculars to the sides of an angle from any point not in its bisector are unequal."

Perpendiculars To The Sides Of An Angle

Illustration used to show "The two perpendiculars to the sides of an angle from any point not in its…

Illustration used to prove "The bisectors of the angles of a triangle are concurrent in a point which is equidistant from the three sides of the triangle."

Angle Bisectors In A Triangle

Illustration used to prove "The bisectors of the angles of a triangle are concurrent in a point which…

Illustration used to prove "The perpendicular bisectors of the sides of a triangle are concurrent in a point which is equidistant from the three vertices of the triangle."

Perpendicular Bisectors In A Triangle

Illustration used to prove "The perpendicular bisectors of the sides of a triangle are concurrent in…

Illustration used to show "The altitudes of a triangle are concurrent."

Altitudes In A Triangle

Illustration used to show "The altitudes of a triangle are concurrent."

Illustration used to show "Any two medians of a triangle intersect each other in a trisection point of each."

Medians In A Triangle

Illustration used to show "Any two medians of a triangle intersect each other in a trisection point…

"Argent, a Bend Grady Gules. GRADY. In heraldry, cut into steps, one upon another: said of lines, of the edges of ordinaries, or the like. Sometimes called battled embattled, battled grady, or embattled grady." -Whitney, 1911

Bend Grady

"Argent, a Bend Grady Gules. GRADY. In heraldry, cut into steps, one upon another: said of lines, of…

"Lyle Life-saving Gun. LYLE GUN, a bronze life-saving gun, designed by Captain D. A. Lyle of the United States Ordnance Department for throwing elongated projectiles having lines attached to them, in order to establish communication between the shore and a stranded or wrecked vessel. The projectile has at the rear end a shank, to which the line is attached." -Whitney, 1911

Lyle Gun

"Lyle Life-saving Gun. LYLE GUN, a bronze life-saving gun, designed by Captain D. A. Lyle of the United…

This glass vase is made in a richly colored glass. It stands on a pedestal with a criss cross design of curved lines. It has a wide body and an elongated neck.

Glass Vase

This glass vase is made in a richly colored glass. It stands on a pedestal with a criss cross design…

Color flag of Kyrgyzstan. Red field with a yellow sun in the center having 40 rays representing the 40 Kyrgyz tribes; on the obverse side the rays run counterclockwise, on the reverse, clockwise; in the center of the sun is a red ring crossed by two sets of three lines, a stylized representation of the roof of the traditional Kyrgyz yurt.

Flag of Kyrgyzstan, 2009

Color flag of Kyrgyzstan. Red field with a yellow sun in the center having 40 rays representing the…

Black and white outline flag of Kyrgyzstan. Red field with a yellow sun in the center having 40 rays representing the 40 Kyrgyz tribes; on the obverse side the rays run counterclockwise, on the reverse, clockwise; in the center of the sun is a red ring crossed by two sets of three lines, a stylized representation of the roof of the traditional Kyrgyz yurt

Flag of Kyrgyzstan, 2009

Black and white outline flag of Kyrgyzstan. Red field with a yellow sun in the center having 40 rays…

Color flag of Slovenia. Three equal horizontal bands of white (top), blue, and red, with the Slovenian seal (a shield with the image of Triglav, Slovenia's highest peak, in white against a blue background at the center; beneath it are two wavy blue lines depicting seas and rivers, and above it are three six-pointed stars arranged in an inverted triangle, which are taken from the coat of arms of the Counts of Celje, the great Slovene dynastic house of the late 14th and early 15th centuries); the seal is in the upper hoist side of the flag centered on the white and blue bands.

Flag of Slovenia, 2009

Color flag of Slovenia. Three equal horizontal bands of white (top), blue, and red, with the Slovenian…

Black and white outline flag of Slovenia. Three equal horizontal bands of white (top), blue, and red, with the Slovenian seal (a shield with the image of Triglav, Slovenia's highest peak, in white against a blue background at the center; beneath it are two wavy blue lines depicting seas and rivers, and above it are three six-pointed stars arranged in an inverted triangle, which are taken from the coat of arms of the Counts of Celje, the great Slovene dynastic house of the late 14th and early 15th centuries); the seal is in the upper hoist side of the flag centered on the white and blue bands

Flag of Slovenia, 2009

Black and white outline flag of Slovenia. Three equal horizontal bands of white (top), blue, and red,…

A cursive I, decorated with flowers, lines, and shading.

Decorative Cursive I

A cursive I, decorated with flowers, lines, and shading.

A capital T, decorated with lines and shading.

Decorative Capital T

A capital T, decorated with lines and shading.

A capital A, decorated with lines and shading.

Decorative Capital A

A capital A, decorated with lines and shading.

A capital L, decorated with lines and shading.

Decorative Capital L

A capital L, decorated with lines and shading.