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Dytiscus Harminieri, a genus of predatory, diving beetles that usually live in wetlands and ponds.

Great Diving Beetle

Dytiscus Harminieri, a genus of predatory, diving beetles that usually live in wetlands and ponds.

Dytiscus Harminieri, a genus of predatory, diving beetles that usually live in wetlands and ponds.

Great Diving Beetle

Dytiscus Harminieri, a genus of predatory, diving beetles that usually live in wetlands and ponds.

The pupa of the Dytiscus genus.

Great Diving Beetle

The pupa of the Dytiscus genus.

"The large iron vessel does not allow air to escape once it is lowered into a body of water for underwater work. The hose attached to the top allows for new air to enter the bell." —Quackenbos 1859

Diving Bell

"The large iron vessel does not allow air to escape once it is lowered into a body of water for underwater…

"Diving Apparatuses are contrivances by means of which divers are enabled to remain a considerable time under water. As the most skillful divers are unable to remain under water more than two or three minutes without artificial respiration, means have been devised by hermetically sealed helmets, diving bells, and diving dresses, so that they can stay for several hours at a time at considerable depths of water and at the same time carry on their work."—(Charles Leonard-Stuart, 1911)

Diving Dress

"Diving Apparatuses are contrivances by means of which divers are enabled to remain a considerable time…

"The diving dress envelops the whole body of the diver, the upper portion a being the "helmet," the intermediate portion b the "breast-plate," and the lower portion c the "dress." The hose by which the air is supplied is shown at d, and e is the "life" or "signal" line, which is attached to the diver's waist, and by which he makes signals and is hauled to the surface. The water-proof material of which the dress is made is very generally sheet india-rubber covered on both sides with tanned twill to protect the india-rubber from injury." — Encyclopedia Britannica, 1893

Diving Dress

"The diving dress envelops the whole body of the diver, the upper portion a being the "helmet," the…

Rubber suit worn over a diver's body, doesn't include helmet.

Diving-dress

Rubber suit worn over a diver's body, doesn't include helmet.

A standard diving dress consists of a metallic (copper, brass or bronze) diving helmet, an airline or hose from a surface supplied diving air pump, a canvas diving suit, diving knife and boots. An important part of the equipment is the addition of lead weights, generally on the chest, back and boots, to counteract the buoyancy of the helmet and diving suit.

Standard Diving Dress

A standard diving dress consists of a metallic (copper, brass or bronze) diving helmet, an airline or…

A front view of a diving helmet. A, Helmet; B, Breastplate; F, Emergency cock; G, Glasses in frame; H, Metal screws and bands; I, Metal tabs; J, Hooks for keeping weight ropes into position; and L, Eyes to which air pipe and life line are secured.

Diving Helmet (Front)

A front view of a diving helmet. A, Helmet; B, Breastplate; F, Emergency cock; G, Glasses in frame;…

This sign indicates that diving is permitted nearby.

Diving, Black and White

This sign indicates that diving is permitted nearby.

This sign indicates that diving is permitted nearby.

Diving, Color

This sign indicates that diving is permitted nearby.

This sign indicates that diving is permitted nearby.

Diving, Outline

This sign indicates that diving is permitted nearby.

This sign indicates that diving is permitted nearby.

Diving, Silhouette

This sign indicates that diving is permitted nearby.

An illustration of a submarine electric lamp with reflector.

Submarine Electric Lamp

An illustration of a submarine electric lamp with reflector.

An illustration of a submarine electric lamp without reflector. A, Metal case containing electrical fittings; B, Glass globe and incandescent lamp; C, Stand, which also protects the globe; and D, Ring for suspending lamp.

Submarine Electric Lamp

An illustration of a submarine electric lamp without reflector. A, Metal case containing electrical…

"The Little Penguin, adapted exclusively for swimming and diving. In this quaint bird the wing forms a perfect screw, and is employed as such in swimming and diving."—Pettigrew, 1874

Little Penguin

"The Little Penguin, adapted exclusively for swimming and diving. In this quaint bird the wing forms…

A scene illustrating a young boy jumping off of a diving board into a river. In the distance there is a figure swimming downstream, a boy looking down from a cliff and a figure canoeing into the sunset.

Boy Diving into a River at Sunset

A scene illustrating a young boy jumping off of a diving board into a river. In the distance there is…

"A duck, <i>Fuligula</i> or <i>Fulix marila</i> and related species. The common scaup inhabits Europe, Asia, and North America. It is from 18 to 20 inches long, and from 30 to 35 in extent of wings." &mdash;Whitney, 1889 <p>In this illustration the duck is sitting on placid water, its feet tucked up underneath its body. Its head and upper body is dark, while its belly is white. There is a tree line in the distance.

Scaup, a Common Duck

"A duck, Fuligula or Fulix marila and related species. The common scaup inhabits Europe, Asia, and North…

"The first sensation in descending under water in a suit of armor is the sudden, bursting roar in the ears, cause by the air driven into the helmet from the air-pump. The flexible air-hose has to be strong enough to bear the pressure of twenty-five to fifth pounds to the square inch." -Lupton

Early Scuba diving

"The first sensation in descending under water in a suit of armor is the sudden, bursting roar in the…

"Another remarkable member of the Araneidae is the Diving Spider, <em>Argyroneta aquatica</em>, which weaves itself a curious little bell-shaped dwelling at the bottom of the water, to which it retires to devor its prey." &mdash; Goodrich, 1859

Spider, diving

"Another remarkable member of the Araneidae is the Diving Spider, Argyroneta aquatica, which…