"Around a vertical conductor carrying a heavy current, place a peice of paper and sprinkle iron filling on the paper. Notice that the iron particles arrange themselves in distinct circular whirls around the wire, as shown." -Avery 1895

Magnetic Field Due to Current

"Around a vertical conductor carrying a heavy current, place a peice of paper and sprinkle iron filling…

"If the conducting wire is bent into the form shown, the lines of force will pas around the wire from one face of the loop to the other, and in the direction indicated by the 'rule of thumb' just given." -Avery 1895

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…

The heraldic charge borne by the sixth eldest son in a family.

The Fleur-de-lis

The heraldic charge borne by the sixth eldest son in a family.

"Football is a field game played in the United States, Great Britain, Canada, and Australia. The game is said to have originated among the Romans, but it was under the guidance of the public schools of Great Britain that it advanced and became popular."—(Charles Leonard-Stuart, 1911)

Football Field at Kick-Off

"Football is a field game played in the United States, Great Britain, Canada, and Australia. The game…

"Football is a field game played in the United States, Great Britain, Canada, and Australia. The game is said to have originated among the Romans, but it was under the guidance of the public schools of Great Britain that it advanced and became popular."—(Charles Leonard-Stuart, 1911)

Football Field at Scrimmage

"Football is a field game played in the United States, Great Britain, Canada, and Australia. The game…

"Gules, fretty argent. FRETTY. This word denotes a field covered with fretwork or laths interlacing each other." -Hall, 1862

Fretty

"Gules, fretty argent. FRETTY. This word denotes a field covered with fretwork or laths interlacing…

"A field Fusilly is similar to Lozengy, but the figures are more elongated."—Aveling, 1891

Fusilly

"A field Fusilly is similar to Lozengy, but the figures are more elongated."—Aveling, 1891

Gulliver has reached the land of giants, called Brobdingnag. The giants gather around him in curiosity.

giants gathered

Gulliver has reached the land of giants, called Brobdingnag. The giants gather around him in curiosity.

An illustration of girl laying in a field.

Girl Laying in Field

An illustration of girl laying in a field.

"GUTTY. A term derived from the Latin word gutta, a drop. A field bearing drops, as in the example, is called gutty." -Hall, 1862

Gutty

"GUTTY. A term derived from the Latin word gutta, a drop. A field bearing drops, as in the example,…

This image depicts Spanish gypsies walking in a field with a horse and a bear.

Gypsies

This image depicts Spanish gypsies walking in a field with a horse and a bear.

"Gyronny of eight pieces, azure, argent, and gules. GYRONNY. When the field is covered with gyrons, their points uniting in the centre." -Hall, 1862

Gyronny

"Gyronny of eight pieces, azure, argent, and gules. GYRONNY. When the field is covered with gyrons,…

"Shield of John de Hastings, K.G., Earl of Pembroke, Quatering De Hastings and De Valence, and impaling France ancient and England quarterly."—Aveling, 1891

Shield of John de Hastings

"Shield of John de Hastings, K.G., Earl of Pembroke, Quatering De Hastings and De Valence, and impaling…

The Fighting Field Hen puffs up its chest so as to look bigger to opponents.

Field Hen

The Fighting Field Hen puffs up its chest so as to look bigger to opponents.

An illustration of two hens walking through a field.

Two Hens

An illustration of two hens walking through a field.

This painting by Claude Gelle Le Lorrain is noted to be one of the finest landscape etchings by art critics. It is a rural type of landscape that Lorrain used in several of his pieces.

The Herdsman

This painting by Claude Gelle Le Lorrain is noted to be one of the finest landscape etchings by art…

A diagram of a hockey field.

Hockey Field

A diagram of a hockey field.

An ancient pen and ink holder.

Penner and Inkhorn

An ancient pen and ink holder.

Woman herding cattle away from British soldiers.

Hannah Erwin Israel Saving the Cattle

Woman herding cattle away from British soldiers.

Japanese Field Ambulance-bearers.

Japanese Medics

Japanese Field Ambulance-bearers.

The heraldic charge borne by the eldest son in a family.

The Label

The heraldic charge borne by the eldest son in a family.

This painting by Claude Gelle Le Lorrain is a perfect example of the style and technique that he liked to use so often. It can now be found in the Turin Gallery in Italy.

Landscape

This painting by Claude Gelle Le Lorrain is a perfect example of the style and technique that he liked…

"Experiment illustrating Lenz's Law. If a copper ring be held in front of an ordinary elecromagnet, and the current circulating through the coil of the magnet be in such a direction as to magnetize the core as indicated b the letters S N, then as the current increases in the coil more and more of the lines of force proceeeding from N pass through the ring OO from left to right." -Hawkins, 1917

Lenz's Law

"Experiment illustrating Lenz's Law. If a copper ring be held in front of an ordinary elecromagnet,…

A battle between English and colonial forces.

The Fight at Lexington

A battle between English and colonial forces.

A line angled for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Angled

A line angled for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line arched or enarched for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Arched

A line arched or enarched for dividing a field. "Escutcheons that have more than one tincture are divided…

A line bevilled for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Bevilled

A line bevilled for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line dancette for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Dancette

A line dancette for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line double arched for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Double Arched

A line double arched for dividing a field. "Escutcheons that have more than one tincture are divided…

A line dove-tailed for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Dove-Tailed

A line dove-tailed for dividing a field. "Escutcheons that have more than one tincture are divided by…

A line embattled or crenelle for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Embattled

A line embattled or crenelle for dividing a field. "Escutcheons that have more than one tincture are…

A line embattled grady or battled embattled for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Embattled Grady

A line embattled grady or battled embattled for dividing a field. "Escutcheons that have more than one…

A line engrailed for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Engrailed

A line engrailed for dividing a field. "Escutcheons that have more than one tincture are divided by…

A line escartelle for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Escartelle

A line escartelle for dividing a field. "Escutcheons that have more than one tincture are divided by…

A line indented for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Indented

A line indented for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line invected for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Invected

A line invected for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line nebule for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Nebule

A line nebule for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line nowy or franché for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Nowy

A line nowy or franché for dividing a field. "Escutcheons that have more than one tincture are…

A line potent for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Potent

A line potent for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line radient for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Radient

A line radient for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line urdée for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Urdée

A line urdée for dividing a field. "Escutcheons that have more than one tincture are divided…

A line wavy or undé for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Wavy

A line wavy or undé for dividing a field. "Escutcheons that have more than one tincture are divided…

A common charge in heraldry. It generally symbolizes bravery, strength, and royalty.

Heraldic Lion

A common charge in heraldry. It generally symbolizes bravery, strength, and royalty.

"Salient pole, bipolar field magnet with single coil wound around the yoke." — Hawkins, 1917

Bipolar field magnet

"Salient pole, bipolar field magnet with single coil wound around the yoke." — Hawkins, 1917

"Consequent pole bipolar field magnet with two coils on the core." — Hawkins, 1917

Bipolar field magnet

"Consequent pole bipolar field magnet with two coils on the core." — Hawkins, 1917

"Modern dynamo with four consequent pole field magnets. In this construction the ring shaped yoke also serves as a frame; the circular form of yoke gives the least chance of magnetic leakage." — Hawkins, 1917

Multi-polar field magnet

"Modern dynamo with four consequent pole field magnets. In this construction the ring shaped yoke also…

"The region about a magnet in which its magnetic forces can be detected is called the magnetic field. This can be graphically represented by placing a piece of cardboard over the magnet and sprinkling ironn fillings on the paper, gently tapping at the same time." -Hawkins, 1917

Magnetic Field

"The region about a magnet in which its magnetic forces can be detected is called the magnetic field.…

"Tracing lines of force with a suspended magnet." -Hawkins, 1917

Tracing magnetic field lines

"Tracing lines of force with a suspended magnet." -Hawkins, 1917

Figure showing magnetic lines of force from a magnet, as well as both north and south poles.

Magnetic Field

Figure showing magnetic lines of force from a magnet, as well as both north and south poles.

"Oersted's experiements are illustrated...which shows, at A, B, C and D, the four different positions which a balanced magnetic needle tends to assume when placed parallel to a wire through wich an electric current is flowing in the different directions indicated by the arrows..." -Atkinson 1903

Deflection of te Magnetic Needle by the Electric Current

"Oersted's experiements are illustrated...which shows, at A, B, C and D, the four different positions…

"Magnetic field of a solenoid. This is best observed by cutting a piece of cardboard and fitting it around the solenoid, as shown." -Hawkins, 1917

Magnetic field, solenoid

"Magnetic field of a solenoid. This is best observed by cutting a piece of cardboard and fitting it…

A man using a cultivator in a field.

Man using a cultivator

A man using a cultivator in a field.

A manure spreader in operation. The manure was pitched from the stable to the spreader, handled only once.

Manure spreader

A manure spreader in operation. The manure was pitched from the stable to the spreader, handled only…

A farmer spreading manure by throwing it in piles and spreading it around.

Spreading manure

A farmer spreading manure by throwing it in piles and spreading it around.

F farmer spreading manure with a shovel in a field.

Spreading manure

F farmer spreading manure with a shovel in a field.

A farmer spreading manure firectly from atop a wagon.

Spreading manure from a wagon

A farmer spreading manure firectly from atop a wagon.

The heraldic charge borne by the fourth eldest son in a family.

The Martlet

The heraldic charge borne by the fourth eldest son in a family.

A middle-buster for cotton fields.

Middle-buster

A middle-buster for cotton fields.

The heraldic charge borne by the eighth eldest son in a family.

The Cross Moline

The heraldic charge borne by the eighth eldest son in a family.

The heraldic shield of Sir Edward de Montague.

Shield of Sir Edward de Montague

The heraldic shield of Sir Edward de Montague.