"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…

"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…

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

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

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

"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…

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

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

A tiny figure stands next to an enormous, spreading tree. Smaller trees are seen in the distance.

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

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…

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…

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…

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…

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…

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…

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…

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…

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…

"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

"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.…

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…

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

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