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One of the largest group of beetles, mostly having shiny, black bodies.

Ground Beetle

One of the largest group of beetles, mostly having shiny, black bodies.

One of the largest group of beetles, mostly having shiny, black bodies.

Ground Beetle

One of the largest group of beetles, mostly having shiny, black bodies.

Ground beetles or carabids are collective terms for the beetle family Carabidae. This is a large family, with more than 40,000 species worldwide, approximately 2,000 of which are found in North America and 2,700 in Europe.

Ground Beetle

Ground beetles or carabids are collective terms for the beetle family Carabidae. This is a large family,…

The stock dove, which prefers a mountainous habitat.

Stock dove

The stock dove, which prefers a mountainous habitat.

"Path of current through person receiving a shock from the fame of a machine insulated from ground. (There is an accidental tree ground on the line and a accidental ground in the winding of the machine.)." —Croft 1920

Electric Shock

"Path of current through person receiving a shock from the fame of a machine insulated from ground.…

"In heraldry, represented as covered with escallop- or scallop-shells: said of the field; also, covered with an imbricated pattern of curving lines." -Whitney, 1911

Escalloped

"In heraldry, represented as covered with escallop- or scallop-shells: said of the field; also, covered…

A man trying to catch a ground ball.

Fielder

A man trying to catch a ground ball.

"Illustrating fuse protection for voltmeter and ground detector and ground detector on a direct-current switchboard." —Croft 1920

Fuse Protection on Direct Current Swtichboard

"Illustrating fuse protection for voltmeter and ground detector and ground detector on a direct-current…

"Illustration showing the path of leakage current caused by ground due to damp insulation." —Croft 1920

Current Leakage Around Generator

"Illustration showing the path of leakage current caused by ground due to damp insulation." —Croft…

"Illustration showing current leakage through the rame of a machine which is insulated from the ground." —Croft 1920

Current Leakage Around Generator

"Illustration showing current leakage through the rame of a machine which is insulated from the ground."…

The electrical symbol for a ground connection.

Ground Connection

The electrical symbol for a ground connection.

"Cut-out ground detector using lamps for a three wire circuit." —Croft 1920

Cutout Ground Detector for Three Wire Circuit

"Cut-out ground detector using lamps for a three wire circuit." —Croft 1920

"Lamp ground detector for a three-wire circuit." —Croft 1920

Ground Detector for Three-Wire Circuit

"Lamp ground detector for a three-wire circuit." —Croft 1920

"Lamp ground detector for a two-wire circuit." —Croft 1920

Ground Detector for Two-Wire Circuit

"Lamp ground detector for a two-wire circuit." —Croft 1920

"Illustration shows a voltmeter ground detector." —Croft 1920

Voltmeter Ground Detector

"Illustration shows a voltmeter ground detector." —Croft 1920

Guinea Fowl are the African representatives of the pheasants, from which they differ in that the plumage of both sexes is alike. The origin of the domesticated stock is <i>Numida meleagris</i>, from W. Africa. A number of other species occur in other parts of Africa. In the black guinea fowl (<i>Phasidus niger</i>), which ranges from Cape Lopez to Loango, spurs are present in the male as in pheasants. Guinea fowl are nearly all gregarious, are ground feeders, and roost in trees. Most species seek to escape danger by running rather than by flying. As in the turkeys, parts of the head and neck are without feathers, and these bare patches are often highly colored.

Guinea Fowl

Guinea Fowl are the African representatives of the pheasants, from which they differ in that the plumage…

"Testing the insulation resistance of a motor or generator from its winding to ground." &mdash;Croft 1920

Measure Insulation Resistance of Motor

"Testing the insulation resistance of a motor or generator from its winding to ground." —Croft…

Projections of a lines parallel to ground line.

Projections of a Lines

Projections of a lines parallel to ground line.

A mill which grounds grain into flour. This flour mill is located on a body of water.

Floating Flour Mill

A mill which grounds grain into flour. This flour mill is located on a body of water.

An illustration of a right triangle made up of a flagpole, rope, and the ground. Illustration could be used with Pythagorean Theorem.

Right Triangle Formed by Flagpole (x feet high) and Ground With Rope (x+4 feet)

An illustration of a right triangle made up of a flagpole, rope, and the ground. Illustration could…

"An apparatus drawn by oxen or horses, and used for scraping the earth in making or repairing roads, digging cellars, canals, etc. and generally for raising and removing loosened soil, etc. In use the scraper is held with the handles slightly elevated till it scoops up its charge of earth, which is held by the sides and back." &mdash;Whitney, 1889

Scraper, Meant to be Drawn by Oxen or Horses

"An apparatus drawn by oxen or horses, and used for scraping the earth in making or repairing roads,…

16. Andrena cineraria, 17. Helix virgata, 18. Pod-lover moth, 19. Anurida maritima, 20. Machillis maritima, 21. Sea-slater, 22. Shore wainscot moth, 23. Ground lackey moth.

Types of Seashore Life

16. Andrena cineraria, 17. Helix virgata, 18. Pod-lover moth, 19. Anurida maritima, 20. Machillis maritima,…

A diagram of ground or short circuit.

Short Circuit

A diagram of ground or short circuit.

The ground squirrels are the members of the Sciuridae most closely related to the genus Marmota. They make up the tribe Marmotini in the large and mainly terrestrial squirrel subfamily Xerinae, and containing six living genera. The ground squirrel is especially renowned for its tendency to rise up on its hind legs. It does this whenever it senses nearby danger, or when it must see over tall grasses. The squirrel then curls its paws flat against its chest and sends a screeching call to warn other family members about the presence of predators

Ground Squirrel

The ground squirrels are the members of the Sciuridae most closely related to the genus Marmota. They…

"Method of using a grounded metallic comb near the driving belt to relieve the belt of static charges." &mdash;Croft 1920

Using a Grounded Metallic Comb to Reduce Static Charge, Front and Side View

"Method of using a grounded metallic comb near the driving belt to relieve the belt of static charges."…

"Method of using a grounded metallic comb near the driving belt to relieve the belt of static charges." &mdash;Croft 1920

Using a Grounded Metallic Comb to Reduce Static Charge, Perspective View

"Method of using a grounded metallic comb near the driving belt to relieve the belt of static charges."…